Home / 87,592.20-120,877.37-49,866.45

Finding the Fourth Proportional to 87,592.20, 120,877.37 and 49,866.45

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Solution

The fourth proportional to 87,592.20, 120,877.37 and 49,866.45 is: 68,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,592.20 : 120,877.37 = 49,866.45 : x
  2. Step 2: Convert to fraction form
    87,592.20/120,877.37 = 49,866.45/x
  3. Step 3: Cross multiply
    87,592.20x = 120,877.37 × 49,866.45
  4. Step 4: Simplify right side
    87,592.20x = 6,027,725,327.24
  5. Step 5: Solve for x
    x = 6,027,725,327.24/87,592.20
  6. Step 6: Final answer
    x = 68,815.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.