Home / 89,827.11-123,956.83-51,560.08

Finding the Fourth Proportional to 89,827.11, 123,956.83 and 51,560.08

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Solution

The fourth proportional to 89,827.11, 123,956.83 and 51,560.08 is: 71,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,827.11 : 123,956.83 = 51,560.08 : x
  2. Step 2: Convert to fraction form
    89,827.11/123,956.83 = 51,560.08/x
  3. Step 3: Cross multiply
    89,827.11x = 123,956.83 × 51,560.08
  4. Step 4: Simplify right side
    89,827.11x = 6,391,223,825.90
  5. Step 5: Solve for x
    x = 6,391,223,825.90/89,827.11
  6. Step 6: Final answer
    x = 71,150.28

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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.