Home / 53,150.50-79,739.52-23,561.20

Finding the Fourth Proportional to 53,150.50, 79,739.52 and 23,561.20

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Solution

The fourth proportional to 53,150.50, 79,739.52 and 23,561.20 is: 35,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,150.50 : 79,739.52 = 23,561.20 : x
  2. Step 2: Convert to fraction form
    53,150.50/79,739.52 = 23,561.20/x
  3. Step 3: Cross multiply
    53,150.50x = 79,739.52 × 23,561.20
  4. Step 4: Simplify right side
    53,150.50x = 1,878,758,778.62
  5. Step 5: Solve for x
    x = 1,878,758,778.62/53,150.50
  6. Step 6: Final answer
    x = 35,347.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.