Home / 87,047.22-130,573.92-27,875.20

Finding the Fourth Proportional to 87,047.22, 130,573.92 and 27,875.20

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Solution

The fourth proportional to 87,047.22, 130,573.92 and 27,875.20 is: 41,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,047.22 : 130,573.92 = 27,875.20 : x
  2. Step 2: Convert to fraction form
    87,047.22/130,573.92 = 27,875.20/x
  3. Step 3: Cross multiply
    87,047.22x = 130,573.92 × 27,875.20
  4. Step 4: Simplify right side
    87,047.22x = 3,639,774,134.78
  5. Step 5: Solve for x
    x = 3,639,774,134.78/87,047.22
  6. Step 6: Final answer
    x = 41,813.79

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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.