Home / 76,964.45-115,359.19-32,563.49

Finding the Fourth Proportional to 76,964.45, 115,359.19 and 32,563.49

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Solution

The fourth proportional to 76,964.45, 115,359.19 and 32,563.49 is: 48,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,964.45 : 115,359.19 = 32,563.49 : x
  2. Step 2: Convert to fraction form
    76,964.45/115,359.19 = 32,563.49/x
  3. Step 3: Cross multiply
    76,964.45x = 115,359.19 × 32,563.49
  4. Step 4: Simplify right side
    76,964.45x = 3,756,497,171.77
  5. Step 5: Solve for x
    x = 3,756,497,171.77/76,964.45
  6. Step 6: Final answer
    x = 48,808.21

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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.