Home / 89,921.90-124,092.22-49,635.66

Finding the Fourth Proportional to 89,921.90, 124,092.22 and 49,635.66

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Solution

The fourth proportional to 89,921.90, 124,092.22 and 49,635.66 is: 68,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921.90 : 124,092.22 = 49,635.66 : x
  2. Step 2: Convert to fraction form
    89,921.90/124,092.22 = 49,635.66/x
  3. Step 3: Cross multiply
    89,921.90x = 124,092.22 × 49,635.66
  4. Step 4: Simplify right side
    89,921.90x = 6,159,399,240.57
  5. Step 5: Solve for x
    x = 6,159,399,240.57/89,921.90
  6. Step 6: Final answer
    x = 68,497.21

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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.