Home / 87,966.98-132,133.24-71,119.01

Finding the Fourth Proportional to 87,966.98, 132,133.24 and 71,119.01

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Solution

The fourth proportional to 87,966.98, 132,133.24 and 71,119.01 is: 106,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,966.98 : 132,133.24 = 71,119.01 : x
  2. Step 2: Convert to fraction form
    87,966.98/132,133.24 = 71,119.01/x
  3. Step 3: Cross multiply
    87,966.98x = 132,133.24 × 71,119.01
  4. Step 4: Simplify right side
    87,966.98x = 9,397,185,636.12
  5. Step 5: Solve for x
    x = 9,397,185,636.12/87,966.98
  6. Step 6: Final answer
    x = 106,826.29

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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.