Home / 82,627.66-123,944.43-26,460.47

Finding the Fourth Proportional to 82,627.66, 123,944.43 and 26,460.47

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Solution

The fourth proportional to 82,627.66, 123,944.43 and 26,460.47 is: 39,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,627.66 : 123,944.43 = 26,460.47 : x
  2. Step 2: Convert to fraction form
    82,627.66/123,944.43 = 26,460.47/x
  3. Step 3: Cross multiply
    82,627.66x = 123,944.43 × 26,460.47
  4. Step 4: Simplify right side
    82,627.66x = 3,279,627,871.68
  5. Step 5: Solve for x
    x = 3,279,627,871.68/82,627.66
  6. Step 6: Final answer
    x = 39,691.65

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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.