Home / 89,395.60-123,371.76-49,109.44

Finding the Fourth Proportional to 89,395.60, 123,371.76 and 49,109.44

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Solution

The fourth proportional to 89,395.60, 123,371.76 and 49,109.44 is: 67,774.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,395.60 : 123,371.76 = 49,109.44 : x
  2. Step 2: Convert to fraction form
    89,395.60/123,371.76 = 49,109.44/x
  3. Step 3: Cross multiply
    89,395.60x = 123,371.76 × 49,109.44
  4. Step 4: Simplify right side
    89,395.60x = 6,058,718,045.41
  5. Step 5: Solve for x
    x = 6,058,718,045.41/89,395.60
  6. Step 6: Final answer
    x = 67,774.23

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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.