Home / 89,657.74-123,727.68-49,371.41

Finding the Fourth Proportional to 89,657.74, 123,727.68 and 49,371.41

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Solution

The fourth proportional to 89,657.74, 123,727.68 and 49,371.41 is: 68,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,657.74 : 123,727.68 = 49,371.41 : x
  2. Step 2: Convert to fraction form
    89,657.74/123,727.68 = 49,371.41/x
  3. Step 3: Cross multiply
    89,657.74x = 123,727.68 × 49,371.41
  4. Step 4: Simplify right side
    89,657.74x = 6,108,610,017.63
  5. Step 5: Solve for x
    x = 6,108,610,017.63/89,657.74
  6. Step 6: Final answer
    x = 68,132.55

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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.