Home / 74,127.60-111,191.40-29,761.20

Finding the Fourth Proportional to 74,127.60, 111,191.40 and 29,761.20

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Solution

The fourth proportional to 74,127.60, 111,191.40 and 29,761.20 is: 44,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,127.60 : 111,191.40 = 29,761.20 : x
  2. Step 2: Convert to fraction form
    74,127.60/111,191.40 = 29,761.20/x
  3. Step 3: Cross multiply
    74,127.60x = 111,191.40 × 29,761.20
  4. Step 4: Simplify right side
    74,127.60x = 3,309,189,493.68
  5. Step 5: Solve for x
    x = 3,309,189,493.68/74,127.60
  6. Step 6: Final answer
    x = 44,641.80

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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.