Home / 67,229.07-92,776.10-38,934.15

Finding the Fourth Proportional to 67,229.07, 92,776.10 and 38,934.15

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Solution

The fourth proportional to 67,229.07, 92,776.10 and 38,934.15 is: 53,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,229.07 : 92,776.10 = 38,934.15 : x
  2. Step 2: Convert to fraction form
    67,229.07/92,776.10 = 38,934.15/x
  3. Step 3: Cross multiply
    67,229.07x = 92,776.10 × 38,934.15
  4. Step 4: Simplify right side
    67,229.07x = 3,612,158,399.14
  5. Step 5: Solve for x
    x = 3,612,158,399.14/67,229.07
  6. Step 6: Final answer
    x = 53,729.11

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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.