Home / 87,016.81-130,541.55-27,836.59

Finding the Fourth Proportional to 87,016.81, 130,541.55 and 27,836.59

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Solution

The fourth proportional to 87,016.81, 130,541.55 and 27,836.59 is: 41,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,016.81 : 130,541.55 = 27,836.59 : x
  2. Step 2: Convert to fraction form
    87,016.81/130,541.55 = 27,836.59/x
  3. Step 3: Cross multiply
    87,016.81x = 130,541.55 × 27,836.59
  4. Step 4: Simplify right side
    87,016.81x = 3,633,831,605.31
  5. Step 5: Solve for x
    x = 3,633,831,605.31/87,016.81
  6. Step 6: Final answer
    x = 41,760.11

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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.