Home / 67,353.38-92,909.09-42,159.14

Finding the Fourth Proportional to 67,353.38, 92,909.09 and 42,159.14

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Solution

The fourth proportional to 67,353.38, 92,909.09 and 42,159.14 is: 58,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,353.38 : 92,909.09 = 42,159.14 : x
  2. Step 2: Convert to fraction form
    67,353.38/92,909.09 = 42,159.14/x
  3. Step 3: Cross multiply
    67,353.38x = 92,909.09 × 42,159.14
  4. Step 4: Simplify right side
    67,353.38x = 3,916,967,332.58
  5. Step 5: Solve for x
    x = 3,916,967,332.58/67,353.38
  6. Step 6: Final answer
    x = 58,155.47

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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.