Home / 86,542.18-129,766.83-44,404.90

Finding the Fourth Proportional to 86,542.18, 129,766.83 and 44,404.90

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Solution

The fourth proportional to 86,542.18, 129,766.83 and 44,404.90 is: 66,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,542.18 : 129,766.83 = 44,404.90 : x
  2. Step 2: Convert to fraction form
    86,542.18/129,766.83 = 44,404.90/x
  3. Step 3: Cross multiply
    86,542.18x = 129,766.83 × 44,404.90
  4. Step 4: Simplify right side
    86,542.18x = 5,762,283,109.47
  5. Step 5: Solve for x
    x = 5,762,283,109.47/86,542.18
  6. Step 6: Final answer
    x = 66,583.52

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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.