Home / 67,221.28-92,805.30-59,747.92

Finding the Fourth Proportional to 67,221.28, 92,805.30 and 59,747.92

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Solution

The fourth proportional to 67,221.28, 92,805.30 and 59,747.92 is: 82,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,221.28 : 92,805.30 = 59,747.92 : x
  2. Step 2: Convert to fraction form
    67,221.28/92,805.30 = 59,747.92/x
  3. Step 3: Cross multiply
    67,221.28x = 92,805.30 × 59,747.92
  4. Step 4: Simplify right side
    67,221.28x = 5,544,923,639.98
  5. Step 5: Solve for x
    x = 5,544,923,639.98/67,221.28
  6. Step 6: Final answer
    x = 82,487.62

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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.