Home / 86,181.28-129,179.68-41,747.04

Finding the Fourth Proportional to 86,181.28, 129,179.68 and 41,747.04

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Solution

The fourth proportional to 86,181.28, 129,179.68 and 41,747.04 is: 62,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,181.28 : 129,179.68 = 41,747.04 : x
  2. Step 2: Convert to fraction form
    86,181.28/129,179.68 = 41,747.04/x
  3. Step 3: Cross multiply
    86,181.28x = 129,179.68 × 41,747.04
  4. Step 4: Simplify right side
    86,181.28x = 5,392,869,268.15
  5. Step 5: Solve for x
    x = 5,392,869,268.15/86,181.28
  6. Step 6: Final answer
    x = 62,575.88

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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.