Home / 86,454.92-129,651.18-36,538.88

Finding the Fourth Proportional to 86,454.92, 129,651.18 and 36,538.88

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Solution

The fourth proportional to 86,454.92, 129,651.18 and 36,538.88 is: 54,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,454.92 : 129,651.18 = 36,538.88 : x
  2. Step 2: Convert to fraction form
    86,454.92/129,651.18 = 36,538.88/x
  3. Step 3: Cross multiply
    86,454.92x = 129,651.18 × 36,538.88
  4. Step 4: Simplify right side
    86,454.92x = 4,737,308,259.62
  5. Step 5: Solve for x
    x = 4,737,308,259.62/86,454.92
  6. Step 6: Final answer
    x = 54,795.13

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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.