Home / 87,004.10-120,074.08-48,770.14

Finding the Fourth Proportional to 87,004.10, 120,074.08 and 48,770.14

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Solution

The fourth proportional to 87,004.10, 120,074.08 and 48,770.14 is: 67,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004.10 : 120,074.08 = 48,770.14 : x
  2. Step 2: Convert to fraction form
    87,004.10/120,074.08 = 48,770.14/x
  3. Step 3: Cross multiply
    87,004.10x = 120,074.08 × 48,770.14
  4. Step 4: Simplify right side
    87,004.10x = 5,856,029,691.97
  5. Step 5: Solve for x
    x = 5,856,029,691.97/87,004.10
  6. Step 6: Final answer
    x = 67,307.51

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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.