Home / 89,812.45-123,942.05-49,527.64

Finding the Fourth Proportional to 89,812.45, 123,942.05 and 49,527.64

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Solution

The fourth proportional to 89,812.45, 123,942.05 and 49,527.64 is: 68,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,812.45 : 123,942.05 = 49,527.64 : x
  2. Step 2: Convert to fraction form
    89,812.45/123,942.05 = 49,527.64/x
  3. Step 3: Cross multiply
    89,812.45x = 123,942.05 × 49,527.64
  4. Step 4: Simplify right side
    89,812.45x = 6,138,557,233.26
  5. Step 5: Solve for x
    x = 6,138,557,233.26/89,812.45
  6. Step 6: Final answer
    x = 68,348.62

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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.