Home / 87,194.78-120,298.67-48,949.01

Finding the Fourth Proportional to 87,194.78, 120,298.67 and 48,949.01

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Solution

The fourth proportional to 87,194.78, 120,298.67 and 48,949.01 is: 67,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,194.78 : 120,298.67 = 48,949.01 : x
  2. Step 2: Convert to fraction form
    87,194.78/120,298.67 = 48,949.01/x
  3. Step 3: Cross multiply
    87,194.78x = 120,298.67 × 48,949.01
  4. Step 4: Simplify right side
    87,194.78x = 5,888,500,589.26
  5. Step 5: Solve for x
    x = 5,888,500,589.26/87,194.78
  6. Step 6: Final answer
    x = 67,532.72

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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.