Home / 89,327.76-123,190.03-60,690.29

Finding the Fourth Proportional to 89,327.76, 123,190.03 and 60,690.29

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Solution

The fourth proportional to 89,327.76, 123,190.03 and 60,690.29 is: 83,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,327.76 : 123,190.03 = 60,690.29 : x
  2. Step 2: Convert to fraction form
    89,327.76/123,190.03 = 60,690.29/x
  3. Step 3: Cross multiply
    89,327.76x = 123,190.03 × 60,690.29
  4. Step 4: Simplify right side
    89,327.76x = 7,476,437,726.41
  5. Step 5: Solve for x
    x = 7,476,437,726.41/89,327.76
  6. Step 6: Final answer
    x = 83,696.69

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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.