Home / 89,207.11-123,105.98-48,921.15

Finding the Fourth Proportional to 89,207.11, 123,105.98 and 48,921.15

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Solution

The fourth proportional to 89,207.11, 123,105.98 and 48,921.15 is: 67,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,207.11 : 123,105.98 = 48,921.15 : x
  2. Step 2: Convert to fraction form
    89,207.11/123,105.98 = 48,921.15/x
  3. Step 3: Cross multiply
    89,207.11x = 123,105.98 × 48,921.15
  4. Step 4: Simplify right side
    89,207.11x = 6,022,485,868.87
  5. Step 5: Solve for x
    x = 6,022,485,868.87/89,207.11
  6. Step 6: Final answer
    x = 67,511.28

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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.