Home / 87,464.68-120,690.42-49,219.52

Finding the Fourth Proportional to 87,464.68, 120,690.42 and 49,219.52

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Solution

The fourth proportional to 87,464.68, 120,690.42 and 49,219.52 is: 67,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,464.68 : 120,690.42 = 49,219.52 : x
  2. Step 2: Convert to fraction form
    87,464.68/120,690.42 = 49,219.52/x
  3. Step 3: Cross multiply
    87,464.68x = 120,690.42 × 49,219.52
  4. Step 4: Simplify right side
    87,464.68x = 5,940,324,541.00
  5. Step 5: Solve for x
    x = 5,940,324,541.00/87,464.68
  6. Step 6: Final answer
    x = 67,916.84

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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.