Home / 89,744.19-123,847.82-49,459.42

Finding the Fourth Proportional to 89,744.19, 123,847.82 and 49,459.42

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Solution

The fourth proportional to 89,744.19, 123,847.82 and 49,459.42 is: 68,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,744.19 : 123,847.82 = 49,459.42 : x
  2. Step 2: Convert to fraction form
    89,744.19/123,847.82 = 49,459.42/x
  3. Step 3: Cross multiply
    89,744.19x = 123,847.82 × 49,459.42
  4. Step 4: Simplify right side
    89,744.19x = 6,125,441,345.46
  5. Step 5: Solve for x
    x = 6,125,441,345.46/89,744.19
  6. Step 6: Final answer
    x = 68,254.46

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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.