Home / 87,579.24-120,843.54-49,332.84

Finding the Fourth Proportional to 87,579.24, 120,843.54 and 49,332.84

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Solution

The fourth proportional to 87,579.24, 120,843.54 and 49,332.84 is: 68,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,579.24 : 120,843.54 = 49,332.84 : x
  2. Step 2: Convert to fraction form
    87,579.24/120,843.54 = 49,332.84/x
  3. Step 3: Cross multiply
    87,579.24x = 120,843.54 × 49,332.84
  4. Step 4: Simplify right side
    87,579.24x = 5,961,555,023.85
  5. Step 5: Solve for x
    x = 5,961,555,023.85/87,579.24
  6. Step 6: Final answer
    x = 68,070.41

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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.