Home / 87,195.83-120,326.12-48,436.16

Finding the Fourth Proportional to 87,195.83, 120,326.12 and 48,436.16

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Solution

The fourth proportional to 87,195.83, 120,326.12 and 48,436.16 is: 66,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,195.83 : 120,326.12 = 48,436.16 : x
  2. Step 2: Convert to fraction form
    87,195.83/120,326.12 = 48,436.16/x
  3. Step 3: Cross multiply
    87,195.83x = 120,326.12 × 48,436.16
  4. Step 4: Simplify right side
    87,195.83x = 5,828,135,200.50
  5. Step 5: Solve for x
    x = 5,828,135,200.50/87,195.83
  6. Step 6: Final answer
    x = 66,839.61

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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.