Home / 90,617.13-135,925.70-27,436.52

Finding the Fourth Proportional to 90,617.13, 135,925.70 and 27,436.52

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Solution

The fourth proportional to 90,617.13, 135,925.70 and 27,436.52 is: 41,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,617.13 : 135,925.70 = 27,436.52 : x
  2. Step 2: Convert to fraction form
    90,617.13/135,925.70 = 27,436.52/x
  3. Step 3: Cross multiply
    90,617.13x = 135,925.70 × 27,436.52
  4. Step 4: Simplify right side
    90,617.13x = 3,729,328,389.20
  5. Step 5: Solve for x
    x = 3,729,328,389.20/90,617.13
  6. Step 6: Final answer
    x = 41,154.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.