Home / 86,366.39-129,537.28-27,200.52

Finding the Fourth Proportional to 86,366.39, 129,537.28 and 27,200.52

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Solution

The fourth proportional to 86,366.39, 129,537.28 and 27,200.52 is: 40,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,366.39 : 129,537.28 = 27,200.52 : x
  2. Step 2: Convert to fraction form
    86,366.39/129,537.28 = 27,200.52/x
  3. Step 3: Cross multiply
    86,366.39x = 129,537.28 × 27,200.52
  4. Step 4: Simplify right side
    86,366.39x = 3,523,481,375.39
  5. Step 5: Solve for x
    x = 3,523,481,375.39/86,366.39
  6. Step 6: Final answer
    x = 40,796.90

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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.