Home / 71,151.00-98,188.47-39,319.90

Finding the Fourth Proportional to 71,151.00, 98,188.47 and 39,319.90

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Solution

The fourth proportional to 71,151.00, 98,188.47 and 39,319.90 is: 54,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,151.00 : 98,188.47 = 39,319.90 : x
  2. Step 2: Convert to fraction form
    71,151.00/98,188.47 = 39,319.90/x
  3. Step 3: Cross multiply
    71,151.00x = 98,188.47 × 39,319.90
  4. Step 4: Simplify right side
    71,151.00x = 3,860,761,128.39
  5. Step 5: Solve for x
    x = 3,860,761,128.39/71,151.00
  6. Step 6: Final answer
    x = 54,261.52

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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.