Home / 89,982.94-124,177.11-49,695.58

Finding the Fourth Proportional to 89,982.94, 124,177.11 and 49,695.58

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Solution

The fourth proportional to 89,982.94, 124,177.11 and 49,695.58 is: 68,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.94 : 124,177.11 = 49,695.58 : x
  2. Step 2: Convert to fraction form
    89,982.94/124,177.11 = 49,695.58/x
  3. Step 3: Cross multiply
    89,982.94x = 124,177.11 × 49,695.58
  4. Step 4: Simplify right side
    89,982.94x = 6,171,053,504.17
  5. Step 5: Solve for x
    x = 6,171,053,504.17/89,982.94
  6. Step 6: Final answer
    x = 68,580.26

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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.