Home / 83,982.64-125,975.84-31,363.44

Finding the Fourth Proportional to 83,982.64, 125,975.84 and 31,363.44

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Solution

The fourth proportional to 83,982.64, 125,975.84 and 31,363.44 is: 47,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,982.64 : 125,975.84 = 31,363.44 : x
  2. Step 2: Convert to fraction form
    83,982.64/125,975.84 = 31,363.44/x
  3. Step 3: Cross multiply
    83,982.64x = 125,975.84 × 31,363.44
  4. Step 4: Simplify right side
    83,982.64x = 3,951,035,699.29
  5. Step 5: Solve for x
    x = 3,951,035,699.29/83,982.64
  6. Step 6: Final answer
    x = 47,045.86

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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.