Home / 87,000.28-130,480.00-49,065.95

Finding the Fourth Proportional to 87,000.28, 130,480.00 and 49,065.95

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Solution

The fourth proportional to 87,000.28, 130,480.00 and 49,065.95 is: 73,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000.28 : 130,480.00 = 49,065.95 : x
  2. Step 2: Convert to fraction form
    87,000.28/130,480.00 = 49,065.95/x
  3. Step 3: Cross multiply
    87,000.28x = 130,480.00 × 49,065.95
  4. Step 4: Simplify right side
    87,000.28x = 6,402,125,359.54
  5. Step 5: Solve for x
    x = 6,402,125,359.54/87,000.28
  6. Step 6: Final answer
    x = 73,587.41

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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.