Home / 76,486.20-114,729.30-23,895.74

Finding the Fourth Proportional to 76,486.20, 114,729.30 and 23,895.74

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Solution

The fourth proportional to 76,486.20, 114,729.30 and 23,895.74 is: 35,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,486.20 : 114,729.30 = 23,895.74 : x
  2. Step 2: Convert to fraction form
    76,486.20/114,729.30 = 23,895.74/x
  3. Step 3: Cross multiply
    76,486.20x = 114,729.30 × 23,895.74
  4. Step 4: Simplify right side
    76,486.20x = 2,741,541,523.18
  5. Step 5: Solve for x
    x = 2,741,541,523.18/76,486.20
  6. Step 6: Final answer
    x = 35,843.61

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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.