Home / 86,151.68-129,217.23-22,976.54

Finding the Fourth Proportional to 86,151.68, 129,217.23 and 22,976.54

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Solution

The fourth proportional to 86,151.68, 129,217.23 and 22,976.54 is: 34,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,151.68 : 129,217.23 = 22,976.54 : x
  2. Step 2: Convert to fraction form
    86,151.68/129,217.23 = 22,976.54/x
  3. Step 3: Cross multiply
    86,151.68x = 129,217.23 × 22,976.54
  4. Step 4: Simplify right side
    86,151.68x = 2,968,964,853.78
  5. Step 5: Solve for x
    x = 2,968,964,853.78/86,151.68
  6. Step 6: Final answer
    x = 34,462.07

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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.