Home / 72,371.50-108,559.38-61,774.71

Finding the Fourth Proportional to 72,371.50, 108,559.38 and 61,774.71

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Solution

The fourth proportional to 72,371.50, 108,559.38 and 61,774.71 is: 92,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,371.50 : 108,559.38 = 61,774.71 : x
  2. Step 2: Convert to fraction form
    72,371.50/108,559.38 = 61,774.71/x
  3. Step 3: Cross multiply
    72,371.50x = 108,559.38 × 61,774.71
  4. Step 4: Simplify right side
    72,371.50x = 6,706,224,217.28
  5. Step 5: Solve for x
    x = 6,706,224,217.28/72,371.50
  6. Step 6: Final answer
    x = 92,663.88

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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.