Home / 86,574.45-129,882.43-27,410.12

Finding the Fourth Proportional to 86,574.45, 129,882.43 and 27,410.12

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Solution

The fourth proportional to 86,574.45, 129,882.43 and 27,410.12 is: 41,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,574.45 : 129,882.43 = 27,410.12 : x
  2. Step 2: Convert to fraction form
    86,574.45/129,882.43 = 27,410.12/x
  3. Step 3: Cross multiply
    86,574.45x = 129,882.43 × 27,410.12
  4. Step 4: Simplify right side
    86,574.45x = 3,560,092,301.48
  5. Step 5: Solve for x
    x = 3,560,092,301.48/86,574.45
  6. Step 6: Final answer
    x = 41,121.75

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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.