Home / 86,589.48-129,876.90-27,416.52

Finding the Fourth Proportional to 86,589.48, 129,876.90 and 27,416.52

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Solution

The fourth proportional to 86,589.48, 129,876.90 and 27,416.52 is: 41,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,589.48 : 129,876.90 = 27,416.52 : x
  2. Step 2: Convert to fraction form
    86,589.48/129,876.90 = 27,416.52/x
  3. Step 3: Cross multiply
    86,589.48x = 129,876.90 × 27,416.52
  4. Step 4: Simplify right side
    86,589.48x = 3,560,772,626.39
  5. Step 5: Solve for x
    x = 3,560,772,626.39/86,589.48
  6. Step 6: Final answer
    x = 41,122.46

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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.