Home / 76,677.32-115,020.56-24,086.79

Finding the Fourth Proportional to 76,677.32, 115,020.56 and 24,086.79

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Solution

The fourth proportional to 76,677.32, 115,020.56 and 24,086.79 is: 36,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,677.32 : 115,020.56 = 24,086.79 : x
  2. Step 2: Convert to fraction form
    76,677.32/115,020.56 = 24,086.79/x
  3. Step 3: Cross multiply
    76,677.32x = 115,020.56 × 24,086.79
  4. Step 4: Simplify right side
    76,677.32x = 2,770,476,074.40
  5. Step 5: Solve for x
    x = 2,770,476,074.40/76,677.32
  6. Step 6: Final answer
    x = 36,131.62

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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.