Home / 87,074.46-120,164.11-48,842.49

Finding the Fourth Proportional to 87,074.46, 120,164.11 and 48,842.49

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Solution

The fourth proportional to 87,074.46, 120,164.11 and 48,842.49 is: 67,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,074.46 : 120,164.11 = 48,842.49 : x
  2. Step 2: Convert to fraction form
    87,074.46/120,164.11 = 48,842.49/x
  3. Step 3: Cross multiply
    87,074.46x = 120,164.11 × 48,842.49
  4. Step 4: Simplify right side
    87,074.46x = 5,869,114,669.54
  5. Step 5: Solve for x
    x = 5,869,114,669.54/87,074.46
  6. Step 6: Final answer
    x = 67,403.40

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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.