Home / 75,556.20-113,237.10-45,942.60

Finding the Fourth Proportional to 75,556.20, 113,237.10 and 45,942.60

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Solution

The fourth proportional to 75,556.20, 113,237.10 and 45,942.60 is: 68,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,556.20 : 113,237.10 = 45,942.60 : x
  2. Step 2: Convert to fraction form
    75,556.20/113,237.10 = 45,942.60/x
  3. Step 3: Cross multiply
    75,556.20x = 113,237.10 × 45,942.60
  4. Step 4: Simplify right side
    75,556.20x = 5,202,406,790.46
  5. Step 5: Solve for x
    x = 5,202,406,790.46/75,556.20
  6. Step 6: Final answer
    x = 68,854.80

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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.