Home / 87,289.25-130,939.07-27,328.95

Finding the Fourth Proportional to 87,289.25, 130,939.07 and 27,328.95

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Solution

The fourth proportional to 87,289.25, 130,939.07 and 27,328.95 is: 40,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,289.25 : 130,939.07 = 27,328.95 : x
  2. Step 2: Convert to fraction form
    87,289.25/130,939.07 = 27,328.95/x
  3. Step 3: Cross multiply
    87,289.25x = 130,939.07 × 27,328.95
  4. Step 4: Simplify right side
    87,289.25x = 3,578,427,160.43
  5. Step 5: Solve for x
    x = 3,578,427,160.43/87,289.25
  6. Step 6: Final answer
    x = 40,995.05

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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.