Home / 87,254.76-130,623.57-53,867.46

Finding the Fourth Proportional to 87,254.76, 130,623.57 and 53,867.46

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Solution

The fourth proportional to 87,254.76, 130,623.57 and 53,867.46 is: 80,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,254.76 : 130,623.57 = 53,867.46 : x
  2. Step 2: Convert to fraction form
    87,254.76/130,623.57 = 53,867.46/x
  3. Step 3: Cross multiply
    87,254.76x = 130,623.57 × 53,867.46
  4. Step 4: Simplify right side
    87,254.76x = 7,036,359,932.03
  5. Step 5: Solve for x
    x = 7,036,359,932.03/87,254.76
  6. Step 6: Final answer
    x = 80,641.56

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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.