Home / 98,132.68-147,178.38-27,993.16

Finding the Fourth Proportional to 98,132.68, 147,178.38 and 27,993.16

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Solution

The fourth proportional to 98,132.68, 147,178.38 and 27,993.16 is: 41,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,132.68 : 147,178.38 = 27,993.16 : x
  2. Step 2: Convert to fraction form
    98,132.68/147,178.38 = 27,993.16/x
  3. Step 3: Cross multiply
    98,132.68x = 147,178.38 × 27,993.16
  4. Step 4: Simplify right side
    98,132.68x = 4,119,987,939.88
  5. Step 5: Solve for x
    x = 4,119,987,939.88/98,132.68
  6. Step 6: Final answer
    x = 41,983.85

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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.