Home / 87,262.89-120,422.71-49,537.14

Finding the Fourth Proportional to 87,262.89, 120,422.71 and 49,537.14

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Solution

The fourth proportional to 87,262.89, 120,422.71 and 49,537.14 is: 68,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.89 : 120,422.71 = 49,537.14 : x
  2. Step 2: Convert to fraction form
    87,262.89/120,422.71 = 49,537.14/x
  3. Step 3: Cross multiply
    87,262.89x = 120,422.71 × 49,537.14
  4. Step 4: Simplify right side
    87,262.89x = 5,965,396,254.79
  5. Step 5: Solve for x
    x = 5,965,396,254.79/87,262.89
  6. Step 6: Final answer
    x = 68,361.21

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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.