Home / 67,116.33-100,691.51-31,570.70

Finding the Fourth Proportional to 67,116.33, 100,691.51 and 31,570.70

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Solution

The fourth proportional to 67,116.33, 100,691.51 and 31,570.70 is: 47,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,116.33 : 100,691.51 = 31,570.70 : x
  2. Step 2: Convert to fraction form
    67,116.33/100,691.51 = 31,570.70/x
  3. Step 3: Cross multiply
    67,116.33x = 100,691.51 × 31,570.70
  4. Step 4: Simplify right side
    67,116.33x = 3,178,900,793.45
  5. Step 5: Solve for x
    x = 3,178,900,793.45/67,116.33
  6. Step 6: Final answer
    x = 47,364.04

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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.