Home / 87,627.30-120,926.44-49,379.52

Finding the Fourth Proportional to 87,627.30, 120,926.44 and 49,379.52

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Solution

The fourth proportional to 87,627.30, 120,926.44 and 49,379.52 is: 68,144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,627.30 : 120,926.44 = 49,379.52 : x
  2. Step 2: Convert to fraction form
    87,627.30/120,926.44 = 49,379.52/x
  3. Step 3: Cross multiply
    87,627.30x = 120,926.44 × 49,379.52
  4. Step 4: Simplify right side
    87,627.30x = 5,971,289,562.51
  5. Step 5: Solve for x
    x = 5,971,289,562.51/87,627.30
  6. Step 6: Final answer
    x = 68,144.17

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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.