Home / 87,125.54-130,705.31-27,956.66

Finding the Fourth Proportional to 87,125.54, 130,705.31 and 27,956.66

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Solution

The fourth proportional to 87,125.54, 130,705.31 and 27,956.66 is: 41,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,125.54 : 130,705.31 = 27,956.66 : x
  2. Step 2: Convert to fraction form
    87,125.54/130,705.31 = 27,956.66/x
  3. Step 3: Cross multiply
    87,125.54x = 130,705.31 × 27,956.66
  4. Step 4: Simplify right side
    87,125.54x = 3,654,083,328.23
  5. Step 5: Solve for x
    x = 3,654,083,328.23/87,125.54
  6. Step 6: Final answer
    x = 41,940.44

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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.