Home / 87,103.26-130,618.02-27,906.66

Finding the Fourth Proportional to 87,103.26, 130,618.02 and 27,906.66

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Solution

The fourth proportional to 87,103.26, 130,618.02 and 27,906.66 is: 41,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,103.26 : 130,618.02 = 27,906.66 : x
  2. Step 2: Convert to fraction form
    87,103.26/130,618.02 = 27,906.66/x
  3. Step 3: Cross multiply
    87,103.26x = 130,618.02 × 27,906.66
  4. Step 4: Simplify right side
    87,103.26x = 3,645,112,674.01
  5. Step 5: Solve for x
    x = 3,645,112,674.01/87,103.26
  6. Step 6: Final answer
    x = 41,848.18

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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.