Home / 85,083.91-127,597.14-31,764.85

Finding the Fourth Proportional to 85,083.91, 127,597.14 and 31,764.85

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Solution

The fourth proportional to 85,083.91, 127,597.14 and 31,764.85 is: 47,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083.91 : 127,597.14 = 31,764.85 : x
  2. Step 2: Convert to fraction form
    85,083.91/127,597.14 = 31,764.85/x
  3. Step 3: Cross multiply
    85,083.91x = 127,597.14 × 31,764.85
  4. Step 4: Simplify right side
    85,083.91x = 4,053,103,380.09
  5. Step 5: Solve for x
    x = 4,053,103,380.09/85,083.91
  6. Step 6: Final answer
    x = 47,636.55

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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.