Home / 71,060.36-98,063.60-39,229.52

Finding the Fourth Proportional to 71,060.36, 98,063.60 and 39,229.52

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Solution

The fourth proportional to 71,060.36, 98,063.60 and 39,229.52 is: 54,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,060.36 : 98,063.60 = 39,229.52 : x
  2. Step 2: Convert to fraction form
    71,060.36/98,063.60 = 39,229.52/x
  3. Step 3: Cross multiply
    71,060.36x = 98,063.60 × 39,229.52
  4. Step 4: Simplify right side
    71,060.36x = 3,846,987,957.47
  5. Step 5: Solve for x
    x = 3,846,987,957.47/71,060.36
  6. Step 6: Final answer
    x = 54,136.90

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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.