Home / 87,568.15-120,835.32-49,326.63

Finding the Fourth Proportional to 87,568.15, 120,835.32 and 49,326.63

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Solution

The fourth proportional to 87,568.15, 120,835.32 and 49,326.63 is: 68,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,568.15 : 120,835.32 = 49,326.63 : x
  2. Step 2: Convert to fraction form
    87,568.15/120,835.32 = 49,326.63/x
  3. Step 3: Cross multiply
    87,568.15x = 120,835.32 × 49,326.63
  4. Step 4: Simplify right side
    87,568.15x = 5,960,399,120.57
  5. Step 5: Solve for x
    x = 5,960,399,120.57/87,568.15
  6. Step 6: Final answer
    x = 68,065.83

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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.