Home / 87,560.72-120,821.64-49,313.84

Finding the Fourth Proportional to 87,560.72, 120,821.64 and 49,313.84

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Solution

The fourth proportional to 87,560.72, 120,821.64 and 49,313.84 is: 68,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,560.72 : 120,821.64 = 49,313.84 : x
  2. Step 2: Convert to fraction form
    87,560.72/120,821.64 = 49,313.84/x
  3. Step 3: Cross multiply
    87,560.72x = 120,821.64 × 49,313.84
  4. Step 4: Simplify right side
    87,560.72x = 5,958,179,023.50
  5. Step 5: Solve for x
    x = 5,958,179,023.50/87,560.72
  6. Step 6: Final answer
    x = 68,046.25

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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.