Home / 89,656.40-123,741.96-51,951.44

Finding the Fourth Proportional to 89,656.40, 123,741.96 and 51,951.44

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Solution

The fourth proportional to 89,656.40, 123,741.96 and 51,951.44 is: 71,702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,656.40 : 123,741.96 = 51,951.44 : x
  2. Step 2: Convert to fraction form
    89,656.40/123,741.96 = 51,951.44/x
  3. Step 3: Cross multiply
    89,656.40x = 123,741.96 × 51,951.44
  4. Step 4: Simplify right side
    89,656.40x = 6,428,573,010.42
  5. Step 5: Solve for x
    x = 6,428,573,010.42/89,656.40
  6. Step 6: Final answer
    x = 71,702.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.