Home / 86,835.88-130,251.39-27,675.10

Finding the Fourth Proportional to 86,835.88, 130,251.39 and 27,675.10

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Solution

The fourth proportional to 86,835.88, 130,251.39 and 27,675.10 is: 41,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,835.88 : 130,251.39 = 27,675.10 : x
  2. Step 2: Convert to fraction form
    86,835.88/130,251.39 = 27,675.10/x
  3. Step 3: Cross multiply
    86,835.88x = 130,251.39 × 27,675.10
  4. Step 4: Simplify right side
    86,835.88x = 3,604,720,243.39
  5. Step 5: Solve for x
    x = 3,604,720,243.39/86,835.88
  6. Step 6: Final answer
    x = 41,511.88

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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.