Home / 86,517.48-129,775.41-27,353.16

Finding the Fourth Proportional to 86,517.48, 129,775.41 and 27,353.16

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Solution

The fourth proportional to 86,517.48, 129,775.41 and 27,353.16 is: 41,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,517.48 : 129,775.41 = 27,353.16 : x
  2. Step 2: Convert to fraction form
    86,517.48/129,775.41 = 27,353.16/x
  3. Step 3: Cross multiply
    86,517.48x = 129,775.41 × 27,353.16
  4. Step 4: Simplify right side
    86,517.48x = 3,549,766,904.92
  5. Step 5: Solve for x
    x = 3,549,766,904.92/86,517.48
  6. Step 6: Final answer
    x = 41,029.48

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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.