Home / 55,903.12-83,840.56-33,420.24

Finding the Fourth Proportional to 55,903.12, 83,840.56 and 33,420.24

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Solution

The fourth proportional to 55,903.12, 83,840.56 and 33,420.24 is: 50,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,903.12 : 83,840.56 = 33,420.24 : x
  2. Step 2: Convert to fraction form
    55,903.12/83,840.56 = 33,420.24/x
  3. Step 3: Cross multiply
    55,903.12x = 83,840.56 × 33,420.24
  4. Step 4: Simplify right side
    55,903.12x = 2,801,971,636.93
  5. Step 5: Solve for x
    x = 2,801,971,636.93/55,903.12
  6. Step 6: Final answer
    x = 50,121.92

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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.