Home / 275,013.11-412,520.02-75,335.25

Finding the Fourth Proportional to 275,013.11, 412,520.02 and 75,335.25

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Solution

The fourth proportional to 275,013.11, 412,520.02 and 75,335.25 is: 113,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,013.11 : 412,520.02 = 75,335.25 : x
  2. Step 2: Convert to fraction form
    275,013.11/412,520.02 = 75,335.25/x
  3. Step 3: Cross multiply
    275,013.11x = 412,520.02 × 75,335.25
  4. Step 4: Simplify right side
    275,013.11x = 31,077,298,460.03
  5. Step 5: Solve for x
    x = 31,077,298,460.03/275,013.11
  6. Step 6: Final answer
    x = 113,002.97

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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.