Home / 67,489.98-93,132.09-40,641.18

Finding the Fourth Proportional to 67,489.98, 93,132.09 and 40,641.18

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Solution

The fourth proportional to 67,489.98, 93,132.09 and 40,641.18 is: 56,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,489.98 : 93,132.09 = 40,641.18 : x
  2. Step 2: Convert to fraction form
    67,489.98/93,132.09 = 40,641.18/x
  3. Step 3: Cross multiply
    67,489.98x = 93,132.09 × 40,641.18
  4. Step 4: Simplify right side
    67,489.98x = 3,784,998,033.47
  5. Step 5: Solve for x
    x = 3,784,998,033.47/67,489.98
  6. Step 6: Final answer
    x = 56,082.37

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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.