Home / 87,057.47-130,582.56-27,891.83

Finding the Fourth Proportional to 87,057.47, 130,582.56 and 27,891.83

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Solution

The fourth proportional to 87,057.47, 130,582.56 and 27,891.83 is: 41,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,057.47 : 130,582.56 = 27,891.83 : x
  2. Step 2: Convert to fraction form
    87,057.47/130,582.56 = 27,891.83/x
  3. Step 3: Cross multiply
    87,057.47x = 130,582.56 × 27,891.83
  4. Step 4: Simplify right side
    87,057.47x = 3,642,186,890.94
  5. Step 5: Solve for x
    x = 3,642,186,890.94/87,057.47
  6. Step 6: Final answer
    x = 41,836.58

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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.