Home / 67,470.03-101,187.36-20,072.34

Finding the Fourth Proportional to 67,470.03, 101,187.36 and 20,072.34

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Solution

The fourth proportional to 67,470.03, 101,187.36 and 20,072.34 is: 30,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,470.03 : 101,187.36 = 20,072.34 : x
  2. Step 2: Convert to fraction form
    67,470.03/101,187.36 = 20,072.34/x
  3. Step 3: Cross multiply
    67,470.03x = 101,187.36 × 20,072.34
  4. Step 4: Simplify right side
    67,470.03x = 2,031,067,093.62
  5. Step 5: Solve for x
    x = 2,031,067,093.62/67,470.03
  6. Step 6: Final answer
    x = 30,103.25

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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.