Home / 51,805.14-77,712.12-22,215.96

Finding the Fourth Proportional to 51,805.14, 77,712.12 and 22,215.96

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Solution

The fourth proportional to 51,805.14, 77,712.12 and 22,215.96 is: 33,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.14 : 77,712.12 = 22,215.96 : x
  2. Step 2: Convert to fraction form
    51,805.14/77,712.12 = 22,215.96/x
  3. Step 3: Cross multiply
    51,805.14x = 77,712.12 × 22,215.96
  4. Step 4: Simplify right side
    51,805.14x = 1,726,449,349.44
  5. Step 5: Solve for x
    x = 1,726,449,349.44/51,805.14
  6. Step 6: Final answer
    x = 33,325.83

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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.