Home / 86,836.44-130,256.01-27,721.83

Finding the Fourth Proportional to 86,836.44, 130,256.01 and 27,721.83

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Solution

The fourth proportional to 86,836.44, 130,256.01 and 27,721.83 is: 41,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,836.44 : 130,256.01 = 27,721.83 : x
  2. Step 2: Convert to fraction form
    86,836.44/130,256.01 = 27,721.83/x
  3. Step 3: Cross multiply
    86,836.44x = 130,256.01 × 27,721.83
  4. Step 4: Simplify right side
    86,836.44x = 3,610,934,965.70
  5. Step 5: Solve for x
    x = 3,610,934,965.70/86,836.44
  6. Step 6: Final answer
    x = 41,583.18

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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.