Home / 76,359.32-114,492.96-34,231.78

Finding the Fourth Proportional to 76,359.32, 114,492.96 and 34,231.78

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Solution

The fourth proportional to 76,359.32, 114,492.96 and 34,231.78 is: 51,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,359.32 : 114,492.96 = 34,231.78 : x
  2. Step 2: Convert to fraction form
    76,359.32/114,492.96 = 34,231.78/x
  3. Step 3: Cross multiply
    76,359.32x = 114,492.96 × 34,231.78
  4. Step 4: Simplify right side
    76,359.32x = 3,919,297,961.39
  5. Step 5: Solve for x
    x = 3,919,297,961.39/76,359.32
  6. Step 6: Final answer
    x = 51,327.04

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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.