Home / 53,195.43-73,389.10-30,526.23

Finding the Fourth Proportional to 53,195.43, 73,389.10 and 30,526.23

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Solution

The fourth proportional to 53,195.43, 73,389.10 and 30,526.23 is: 42,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,195.43 : 73,389.10 = 30,526.23 : x
  2. Step 2: Convert to fraction form
    53,195.43/73,389.10 = 30,526.23/x
  3. Step 3: Cross multiply
    53,195.43x = 73,389.10 × 30,526.23
  4. Step 4: Simplify right side
    53,195.43x = 2,240,292,546.09
  5. Step 5: Solve for x
    x = 2,240,292,546.09/53,195.43
  6. Step 6: Final answer
    x = 42,114.38

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Half scale
Find fourth proportional to 106,390.86, 146,778.20 and 61,052.46
Double scale
Find fourth proportional to 53,196.43, 73,390.48 and 30,527.23
Similar ratio
Find fourth proportional to 79,793.15, 110,083.65 and 45,789.35
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.