Home / 87,244.95-130,784.25-28,039.02

Finding the Fourth Proportional to 87,244.95, 130,784.25 and 28,039.02

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Solution

The fourth proportional to 87,244.95, 130,784.25 and 28,039.02 is: 42,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,244.95 : 130,784.25 = 28,039.02 : x
  2. Step 2: Convert to fraction form
    87,244.95/130,784.25 = 28,039.02/x
  3. Step 3: Cross multiply
    87,244.95x = 130,784.25 × 28,039.02
  4. Step 4: Simplify right side
    87,244.95x = 3,667,062,201.44
  5. Step 5: Solve for x
    x = 3,667,062,201.44/87,244.95
  6. Step 6: Final answer
    x = 42,031.80

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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.