Home / 87,052.17-130,574.66-27,891.21

Finding the Fourth Proportional to 87,052.17, 130,574.66 and 27,891.21

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Solution

The fourth proportional to 87,052.17, 130,574.66 and 27,891.21 is: 41,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,052.17 : 130,574.66 = 27,891.21 : x
  2. Step 2: Convert to fraction form
    87,052.17/130,574.66 = 27,891.21/x
  3. Step 3: Cross multiply
    87,052.17x = 130,574.66 × 27,891.21
  4. Step 4: Simplify right side
    87,052.17x = 3,641,885,123.28
  5. Step 5: Solve for x
    x = 3,641,885,123.28/87,052.17
  6. Step 6: Final answer
    x = 41,835.66

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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.