Home / 87,575.66-120,860.55-49,849.91

Finding the Fourth Proportional to 87,575.66, 120,860.55 and 49,849.91

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Solution

The fourth proportional to 87,575.66, 120,860.55 and 49,849.91 is: 68,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,575.66 : 120,860.55 = 49,849.91 : x
  2. Step 2: Convert to fraction form
    87,575.66/120,860.55 = 49,849.91/x
  3. Step 3: Cross multiply
    87,575.66x = 120,860.55 × 49,849.91
  4. Step 4: Simplify right side
    87,575.66x = 6,024,886,935.75
  5. Step 5: Solve for x
    x = 6,024,886,935.75/87,575.66
  6. Step 6: Final answer
    x = 68,796.37

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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.