Home / 89,446.16-123,438.66-49,161.36

Finding the Fourth Proportional to 89,446.16, 123,438.66 and 49,161.36

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Solution

The fourth proportional to 89,446.16, 123,438.66 and 49,161.36 is: 67,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,446.16 : 123,438.66 = 49,161.36 : x
  2. Step 2: Convert to fraction form
    89,446.16/123,438.66 = 49,161.36/x
  3. Step 3: Cross multiply
    89,446.16x = 123,438.66 × 49,161.36
  4. Step 4: Simplify right side
    89,446.16x = 6,068,412,402.18
  5. Step 5: Solve for x
    x = 6,068,412,402.18/89,446.16
  6. Step 6: Final answer
    x = 67,844.30

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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.