Home / 87,146.04-120,234.13-48,899.97

Finding the Fourth Proportional to 87,146.04, 120,234.13 and 48,899.97

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Solution

The fourth proportional to 87,146.04, 120,234.13 and 48,899.97 is: 67,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,146.04 : 120,234.13 = 48,899.97 : x
  2. Step 2: Convert to fraction form
    87,146.04/120,234.13 = 48,899.97/x
  3. Step 3: Cross multiply
    87,146.04x = 120,234.13 × 48,899.97
  4. Step 4: Simplify right side
    87,146.04x = 5,879,445,227.73
  5. Step 5: Solve for x
    x = 5,879,445,227.73/87,146.04
  6. Step 6: Final answer
    x = 67,466.58

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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.