Home / 55,331.28-82,995.84-15,887.52

Finding the Fourth Proportional to 55,331.28, 82,995.84 and 15,887.52

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Solution

The fourth proportional to 55,331.28, 82,995.84 and 15,887.52 is: 23,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,331.28 : 82,995.84 = 15,887.52 : x
  2. Step 2: Convert to fraction form
    55,331.28/82,995.84 = 15,887.52/x
  3. Step 3: Cross multiply
    55,331.28x = 82,995.84 × 15,887.52
  4. Step 4: Simplify right side
    55,331.28x = 1,318,598,067.92
  5. Step 5: Solve for x
    x = 1,318,598,067.92/55,331.28
  6. Step 6: Final answer
    x = 23,830.97

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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.