Home / 87,138.92-130,713.24-24,804.56

Finding the Fourth Proportional to 87,138.92, 130,713.24 and 24,804.56

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Solution

The fourth proportional to 87,138.92, 130,713.24 and 24,804.56 is: 37,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,138.92 : 130,713.24 = 24,804.56 : x
  2. Step 2: Convert to fraction form
    87,138.92/130,713.24 = 24,804.56/x
  3. Step 3: Cross multiply
    87,138.92x = 130,713.24 × 24,804.56
  4. Step 4: Simplify right side
    87,138.92x = 3,242,284,824.17
  5. Step 5: Solve for x
    x = 3,242,284,824.17/87,138.92
  6. Step 6: Final answer
    x = 37,208.23

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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.