Home / 89,732.10-123,824.47-49,445.86

Finding the Fourth Proportional to 89,732.10, 123,824.47 and 49,445.86

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Solution

The fourth proportional to 89,732.10, 123,824.47 and 49,445.86 is: 68,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,732.10 : 123,824.47 = 49,445.86 : x
  2. Step 2: Convert to fraction form
    89,732.10/123,824.47 = 49,445.86/x
  3. Step 3: Cross multiply
    89,732.10x = 123,824.47 × 49,445.86
  4. Step 4: Simplify right side
    89,732.10x = 6,122,607,974.44
  5. Step 5: Solve for x
    x = 6,122,607,974.44/89,732.10
  6. Step 6: Final answer
    x = 68,232.08

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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.