Home / 89,960.24-124,128.10-49,672.87

Finding the Fourth Proportional to 89,960.24, 124,128.10 and 49,672.87

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Solution

The fourth proportional to 89,960.24, 124,128.10 and 49,672.87 is: 68,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,960.24 : 124,128.10 = 49,672.87 : x
  2. Step 2: Convert to fraction form
    89,960.24/124,128.10 = 49,672.87/x
  3. Step 3: Cross multiply
    89,960.24x = 124,128.10 × 49,672.87
  4. Step 4: Simplify right side
    89,960.24x = 6,165,798,974.65
  5. Step 5: Solve for x
    x = 6,165,798,974.65/89,960.24
  6. Step 6: Final answer
    x = 68,539.16

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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.