Home / 88,020.67-131,972.67-31,853.47

Finding the Fourth Proportional to 88,020.67, 131,972.67 and 31,853.47

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Solution

The fourth proportional to 88,020.67, 131,972.67 and 31,853.47 is: 47,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,020.67 : 131,972.67 = 31,853.47 : x
  2. Step 2: Convert to fraction form
    88,020.67/131,972.67 = 31,853.47/x
  3. Step 3: Cross multiply
    88,020.67x = 131,972.67 × 31,853.47
  4. Step 4: Simplify right side
    88,020.67x = 4,203,787,484.66
  5. Step 5: Solve for x
    x = 4,203,787,484.66/88,020.67
  6. Step 6: Final answer
    x = 47,759.09

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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.