Home / 87,127.81-130,481.22-49,574.13

Finding the Fourth Proportional to 87,127.81, 130,481.22 and 49,574.13

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Solution

The fourth proportional to 87,127.81, 130,481.22 and 49,574.13 is: 74,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,127.81 : 130,481.22 = 49,574.13 : x
  2. Step 2: Convert to fraction form
    87,127.81/130,481.22 = 49,574.13/x
  3. Step 3: Cross multiply
    87,127.81x = 130,481.22 × 49,574.13
  4. Step 4: Simplify right side
    87,127.81x = 6,468,492,310.87
  5. Step 5: Solve for x
    x = 6,468,492,310.87/87,127.81
  6. Step 6: Final answer
    x = 74,241.42

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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.