Home / 89,786.16-134,666.28-27,439.92

Finding the Fourth Proportional to 89,786.16, 134,666.28 and 27,439.92

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Solution

The fourth proportional to 89,786.16, 134,666.28 and 27,439.92 is: 41,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,786.16 : 134,666.28 = 27,439.92 : x
  2. Step 2: Convert to fraction form
    89,786.16/134,666.28 = 27,439.92/x
  3. Step 3: Cross multiply
    89,786.16x = 134,666.28 × 27,439.92
  4. Step 4: Simplify right side
    89,786.16x = 3,695,231,949.90
  5. Step 5: Solve for x
    x = 3,695,231,949.90/89,786.16
  6. Step 6: Final answer
    x = 41,155.92

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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.