Home / 67,520.10-101,280.15-23,140.90

Finding the Fourth Proportional to 67,520.10, 101,280.15 and 23,140.90

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Solution

The fourth proportional to 67,520.10, 101,280.15 and 23,140.90 is: 34,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,520.10 : 101,280.15 = 23,140.90 : x
  2. Step 2: Convert to fraction form
    67,520.10/101,280.15 = 23,140.90/x
  3. Step 3: Cross multiply
    67,520.10x = 101,280.15 × 23,140.90
  4. Step 4: Simplify right side
    67,520.10x = 2,343,713,823.14
  5. Step 5: Solve for x
    x = 2,343,713,823.14/67,520.10
  6. Step 6: Final answer
    x = 34,711.35

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Similar ratio
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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.