Home / 87,214.43-120,354.36-48,974.28

Finding the Fourth Proportional to 87,214.43, 120,354.36 and 48,974.28

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Solution

The fourth proportional to 87,214.43, 120,354.36 and 48,974.28 is: 67,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,214.43 : 120,354.36 = 48,974.28 : x
  2. Step 2: Convert to fraction form
    87,214.43/120,354.36 = 48,974.28/x
  3. Step 3: Cross multiply
    87,214.43x = 120,354.36 × 48,974.28
  4. Step 4: Simplify right side
    87,214.43x = 5,894,268,125.86
  5. Step 5: Solve for x
    x = 5,894,268,125.86/87,214.43
  6. Step 6: Final answer
    x = 67,583.64

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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.