Home / 86,719.90-130,052.17-27,541.73

Finding the Fourth Proportional to 86,719.90, 130,052.17 and 27,541.73

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Solution

The fourth proportional to 86,719.90, 130,052.17 and 27,541.73 is: 41,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,719.90 : 130,052.17 = 27,541.73 : x
  2. Step 2: Convert to fraction form
    86,719.90/130,052.17 = 27,541.73/x
  3. Step 3: Cross multiply
    86,719.90x = 130,052.17 × 27,541.73
  4. Step 4: Simplify right side
    86,719.90x = 3,581,861,752.05
  5. Step 5: Solve for x
    x = 3,581,861,752.05/86,719.90
  6. Step 6: Final answer
    x = 41,303.80

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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.