Home / 89,744.31-123,847.98-49,459.53

Finding the Fourth Proportional to 89,744.31, 123,847.98 and 49,459.53

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Solution

The fourth proportional to 89,744.31, 123,847.98 and 49,459.53 is: 68,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,744.31 : 123,847.98 = 49,459.53 : x
  2. Step 2: Convert to fraction form
    89,744.31/123,847.98 = 49,459.53/x
  3. Step 3: Cross multiply
    89,744.31x = 123,847.98 × 49,459.53
  4. Step 4: Simplify right side
    89,744.31x = 6,125,462,882.25
  5. Step 5: Solve for x
    x = 6,125,462,882.25/89,744.31
  6. Step 6: Final answer
    x = 68,254.61

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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.