Home / 89,829.60-123,965.82-49,543.44

Finding the Fourth Proportional to 89,829.60, 123,965.82 and 49,543.44

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Solution

The fourth proportional to 89,829.60, 123,965.82 and 49,543.44 is: 68,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,829.60 : 123,965.82 = 49,543.44 : x
  2. Step 2: Convert to fraction form
    89,829.60/123,965.82 = 49,543.44/x
  3. Step 3: Cross multiply
    89,829.60x = 123,965.82 × 49,543.44
  4. Step 4: Simplify right side
    89,829.60x = 6,141,693,165.22
  5. Step 5: Solve for x
    x = 6,141,693,165.22/89,829.60
  6. Step 6: Final answer
    x = 68,370.48

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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.