Home / 71,061.26-98,063.90-39,229.47

Finding the Fourth Proportional to 71,061.26, 98,063.90 and 39,229.47

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Solution

The fourth proportional to 71,061.26, 98,063.90 and 39,229.47 is: 54,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,061.26 : 98,063.90 = 39,229.47 : x
  2. Step 2: Convert to fraction form
    71,061.26/98,063.90 = 39,229.47/x
  3. Step 3: Cross multiply
    71,061.26x = 98,063.90 × 39,229.47
  4. Step 4: Simplify right side
    71,061.26x = 3,846,994,823.13
  5. Step 5: Solve for x
    x = 3,846,994,823.13/71,061.26
  6. Step 6: Final answer
    x = 54,136.32

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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.