Home / 86,456.97-129,674.52-23,282.13

Finding the Fourth Proportional to 86,456.97, 129,674.52 and 23,282.13

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Solution

The fourth proportional to 86,456.97, 129,674.52 and 23,282.13 is: 34,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,456.97 : 129,674.52 = 23,282.13 : x
  2. Step 2: Convert to fraction form
    86,456.97/129,674.52 = 23,282.13/x
  3. Step 3: Cross multiply
    86,456.97x = 129,674.52 × 23,282.13
  4. Step 4: Simplify right side
    86,456.97x = 3,019,099,518.61
  5. Step 5: Solve for x
    x = 3,019,099,518.61/86,456.97
  6. Step 6: Final answer
    x = 34,920.26

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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.