Home / 67,934.90-101,867.69-39,909.71

Finding the Fourth Proportional to 67,934.90, 101,867.69 and 39,909.71

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Solution

The fourth proportional to 67,934.90, 101,867.69 and 39,909.71 is: 59,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,934.90 : 101,867.69 = 39,909.71 : x
  2. Step 2: Convert to fraction form
    67,934.90/101,867.69 = 39,909.71/x
  3. Step 3: Cross multiply
    67,934.90x = 101,867.69 × 39,909.71
  4. Step 4: Simplify right side
    67,934.90x = 4,065,510,320.71
  5. Step 5: Solve for x
    x = 4,065,510,320.71/67,934.90
  6. Step 6: Final answer
    x = 59,844.21

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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.