Home / 86,972.33-130,451.19-27,792.11

Finding the Fourth Proportional to 86,972.33, 130,451.19 and 27,792.11

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Solution

The fourth proportional to 86,972.33, 130,451.19 and 27,792.11 is: 41,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972.33 : 130,451.19 = 27,792.11 : x
  2. Step 2: Convert to fraction form
    86,972.33/130,451.19 = 27,792.11/x
  3. Step 3: Cross multiply
    86,972.33x = 130,451.19 × 27,792.11
  4. Step 4: Simplify right side
    86,972.33x = 3,625,513,169.85
  5. Step 5: Solve for x
    x = 3,625,513,169.85/86,972.33
  6. Step 6: Final answer
    x = 41,685.83

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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.