Home / 87,758.82-131,648.59-30,815.28

Finding the Fourth Proportional to 87,758.82, 131,648.59 and 30,815.28

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Solution

The fourth proportional to 87,758.82, 131,648.59 and 30,815.28 is: 46,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,758.82 : 131,648.59 = 30,815.28 : x
  2. Step 2: Convert to fraction form
    87,758.82/131,648.59 = 30,815.28/x
  3. Step 3: Cross multiply
    87,758.82x = 131,648.59 × 30,815.28
  4. Step 4: Simplify right side
    87,758.82x = 4,056,788,162.46
  5. Step 5: Solve for x
    x = 4,056,788,162.46/87,758.82
  6. Step 6: Final answer
    x = 46,226.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.