Home / 75,466.80-113,273.10-45,942.30

Finding the Fourth Proportional to 75,466.80, 113,273.10 and 45,942.30

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Solution

The fourth proportional to 75,466.80, 113,273.10 and 45,942.30 is: 68,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466.80 : 113,273.10 = 45,942.30 : x
  2. Step 2: Convert to fraction form
    75,466.80/113,273.10 = 45,942.30/x
  3. Step 3: Cross multiply
    75,466.80x = 113,273.10 × 45,942.30
  4. Step 4: Simplify right side
    75,466.80x = 5,204,026,742.13
  5. Step 5: Solve for x
    x = 5,204,026,742.13/75,466.80
  6. Step 6: Final answer
    x = 68,957.83

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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.