Home / 87,255.08-130,886.38-27,284.69

Finding the Fourth Proportional to 87,255.08, 130,886.38 and 27,284.69

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Solution

The fourth proportional to 87,255.08, 130,886.38 and 27,284.69 is: 40,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,255.08 : 130,886.38 = 27,284.69 : x
  2. Step 2: Convert to fraction form
    87,255.08/130,886.38 = 27,284.69/x
  3. Step 3: Cross multiply
    87,255.08x = 130,886.38 × 27,284.69
  4. Step 4: Simplify right side
    87,255.08x = 3,571,194,562.53
  5. Step 5: Solve for x
    x = 3,571,194,562.53/87,255.08
  6. Step 6: Final answer
    x = 40,928.21

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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.