Home / 67,481.79-101,211.75-30,033.06

Finding the Fourth Proportional to 67,481.79, 101,211.75 and 30,033.06

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Solution

The fourth proportional to 67,481.79, 101,211.75 and 30,033.06 is: 45,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,481.79 : 101,211.75 = 30,033.06 : x
  2. Step 2: Convert to fraction form
    67,481.79/101,211.75 = 30,033.06/x
  3. Step 3: Cross multiply
    67,481.79x = 101,211.75 × 30,033.06
  4. Step 4: Simplify right side
    67,481.79x = 3,039,698,560.46
  5. Step 5: Solve for x
    x = 3,039,698,560.46/67,481.79
  6. Step 6: Final answer
    x = 45,044.72

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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.