Home / 87,236.52-130,827.24-28,059

Finding the Fourth Proportional to 87,236.52, 130,827.24 and 28,059

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Solution

The fourth proportional to 87,236.52, 130,827.24 and 28,059 is: 42,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,236.52 : 130,827.24 = 28,059 : x
  2. Step 2: Convert to fraction form
    87,236.52/130,827.24 = 28,059/x
  3. Step 3: Cross multiply
    87,236.52x = 130,827.24 × 28,059
  4. Step 4: Simplify right side
    87,236.52x = 3,670,881,527.16
  5. Step 5: Solve for x
    x = 3,670,881,527.16/87,236.52
  6. Step 6: Final answer
    x = 42,079.64

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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.