Home / 77,076.30-115,619.85-32,698.02

Finding the Fourth Proportional to 77,076.30, 115,619.85 and 32,698.02

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Solution

The fourth proportional to 77,076.30, 115,619.85 and 32,698.02 is: 49,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,076.30 : 115,619.85 = 32,698.02 : x
  2. Step 2: Convert to fraction form
    77,076.30/115,619.85 = 32,698.02/x
  3. Step 3: Cross multiply
    77,076.30x = 115,619.85 × 32,698.02
  4. Step 4: Simplify right side
    77,076.30x = 3,780,540,167.70
  5. Step 5: Solve for x
    x = 3,780,540,167.70/77,076.30
  6. Step 6: Final answer
    x = 49,049.32

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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.