Home / 76,748.76-115,138.80-32,375.52

Finding the Fourth Proportional to 76,748.76, 115,138.80 and 32,375.52

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Solution

The fourth proportional to 76,748.76, 115,138.80 and 32,375.52 is: 48,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,748.76 : 115,138.80 = 32,375.52 : x
  2. Step 2: Convert to fraction form
    76,748.76/115,138.80 = 32,375.52/x
  3. Step 3: Cross multiply
    76,748.76x = 115,138.80 × 32,375.52
  4. Step 4: Simplify right side
    76,748.76x = 3,727,678,522.18
  5. Step 5: Solve for x
    x = 3,727,678,522.18/76,748.76
  6. Step 6: Final answer
    x = 48,569.89

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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.