Home / 87,522.38-120,781.59-49,799.06

Finding the Fourth Proportional to 87,522.38, 120,781.59 and 49,799.06

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Solution

The fourth proportional to 87,522.38, 120,781.59 and 49,799.06 is: 68,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,522.38 : 120,781.59 = 49,799.06 : x
  2. Step 2: Convert to fraction form
    87,522.38/120,781.59 = 49,799.06/x
  3. Step 3: Cross multiply
    87,522.38x = 120,781.59 × 49,799.06
  4. Step 4: Simplify right side
    87,522.38x = 6,014,809,647.31
  5. Step 5: Solve for x
    x = 6,014,809,647.31/87,522.38
  6. Step 6: Final answer
    x = 68,723.10

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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.