Home / 76,968.80-115,469.40-32,572.70

Finding the Fourth Proportional to 76,968.80, 115,469.40 and 32,572.70

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Solution

The fourth proportional to 76,968.80, 115,469.40 and 32,572.70 is: 48,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,968.80 : 115,469.40 = 32,572.70 : x
  2. Step 2: Convert to fraction form
    76,968.80/115,469.40 = 32,572.70/x
  3. Step 3: Cross multiply
    76,968.80x = 115,469.40 × 32,572.70
  4. Step 4: Simplify right side
    76,968.80x = 3,761,150,125.38
  5. Step 5: Solve for x
    x = 3,761,150,125.38/76,968.80
  6. Step 6: Final answer
    x = 48,865.91

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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.