Home / 86,747.84-130,134.71-27,585.44

Finding the Fourth Proportional to 86,747.84, 130,134.71 and 27,585.44

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Solution

The fourth proportional to 86,747.84, 130,134.71 and 27,585.44 is: 41,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,747.84 : 130,134.71 = 27,585.44 : x
  2. Step 2: Convert to fraction form
    86,747.84/130,134.71 = 27,585.44/x
  3. Step 3: Cross multiply
    86,747.84x = 130,134.71 × 27,585.44
  4. Step 4: Simplify right side
    86,747.84x = 3,589,822,583.95
  5. Step 5: Solve for x
    x = 3,589,822,583.95/86,747.84
  6. Step 6: Final answer
    x = 41,382.27

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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.