Home / 82,577.60-123,853.36-68,627.28

Finding the Fourth Proportional to 82,577.60, 123,853.36 and 68,627.28

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Solution

The fourth proportional to 82,577.60, 123,853.36 and 68,627.28 is: 102,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,577.60 : 123,853.36 = 68,627.28 : x
  2. Step 2: Convert to fraction form
    82,577.60/123,853.36 = 68,627.28/x
  3. Step 3: Cross multiply
    82,577.60x = 123,853.36 × 68,627.28
  4. Step 4: Simplify right side
    82,577.60x = 8,499,719,215.66
  5. Step 5: Solve for x
    x = 8,499,719,215.66/82,577.60
  6. Step 6: Final answer
    x = 102,930.08

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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.