Home / 82,939.23-124,445.60-43,486.97

Finding the Fourth Proportional to 82,939.23, 124,445.60 and 43,486.97

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Solution

The fourth proportional to 82,939.23, 124,445.60 and 43,486.97 is: 65,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,939.23 : 124,445.60 = 43,486.97 : x
  2. Step 2: Convert to fraction form
    82,939.23/124,445.60 = 43,486.97/x
  3. Step 3: Cross multiply
    82,939.23x = 124,445.60 × 43,486.97
  4. Step 4: Simplify right side
    82,939.23x = 5,411,761,234.17
  5. Step 5: Solve for x
    x = 5,411,761,234.17/82,939.23
  6. Step 6: Final answer
    x = 65,249.72

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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.