Home / 89,947.10-124,127.48-49,660.14

Finding the Fourth Proportional to 89,947.10, 124,127.48 and 49,660.14

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Solution

The fourth proportional to 89,947.10, 124,127.48 and 49,660.14 is: 68,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,947.10 : 124,127.48 = 49,660.14 : x
  2. Step 2: Convert to fraction form
    89,947.10/124,127.48 = 49,660.14/x
  3. Step 3: Cross multiply
    89,947.10x = 124,127.48 × 49,660.14
  4. Step 4: Simplify right side
    89,947.10x = 6,164,188,034.65
  5. Step 5: Solve for x
    x = 6,164,188,034.65/89,947.10
  6. Step 6: Final answer
    x = 68,531.26

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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.