Home / 82,494.31-123,654.66-52,531.33

Finding the Fourth Proportional to 82,494.31, 123,654.66 and 52,531.33

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Solution

The fourth proportional to 82,494.31, 123,654.66 and 52,531.33 is: 78,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,494.31 : 123,654.66 = 52,531.33 : x
  2. Step 2: Convert to fraction form
    82,494.31/123,654.66 = 52,531.33/x
  3. Step 3: Cross multiply
    82,494.31x = 123,654.66 × 52,531.33
  4. Step 4: Simplify right side
    82,494.31x = 6,495,743,750.50
  5. Step 5: Solve for x
    x = 6,495,743,750.50/82,494.31
  6. Step 6: Final answer
    x = 78,741.72

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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.