Home / 71,180.30-98,226.14-39,349.73

Finding the Fourth Proportional to 71,180.30, 98,226.14 and 39,349.73

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Solution

The fourth proportional to 71,180.30, 98,226.14 and 39,349.73 is: 54,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,180.30 : 98,226.14 = 39,349.73 : x
  2. Step 2: Convert to fraction form
    71,180.30/98,226.14 = 39,349.73/x
  3. Step 3: Cross multiply
    71,180.30x = 98,226.14 × 39,349.73
  4. Step 4: Simplify right side
    71,180.30x = 3,865,172,136.76
  5. Step 5: Solve for x
    x = 3,865,172,136.76/71,180.30
  6. Step 6: Final answer
    x = 54,301.15

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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.