Home / 86,357.66-129,556.97-27,193.15

Finding the Fourth Proportional to 86,357.66, 129,556.97 and 27,193.15

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Solution

The fourth proportional to 86,357.66, 129,556.97 and 27,193.15 is: 40,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,357.66 : 129,556.97 = 27,193.15 : x
  2. Step 2: Convert to fraction form
    86,357.66/129,556.97 = 27,193.15/x
  3. Step 3: Cross multiply
    86,357.66x = 129,556.97 × 27,193.15
  4. Step 4: Simplify right side
    86,357.66x = 3,523,062,246.71
  5. Step 5: Solve for x
    x = 3,523,062,246.71/86,357.66
  6. Step 6: Final answer
    x = 40,796.18

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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.