Home / 84,233.10-126,004.05-75,938.70

Finding the Fourth Proportional to 84,233.10, 126,004.05 and 75,938.70

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Solution

The fourth proportional to 84,233.10, 126,004.05 and 75,938.70 is: 113,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,233.10 : 126,004.05 = 75,938.70 : x
  2. Step 2: Convert to fraction form
    84,233.10/126,004.05 = 75,938.70/x
  3. Step 3: Cross multiply
    84,233.10x = 126,004.05 × 75,938.70
  4. Step 4: Simplify right side
    84,233.10x = 9,568,583,751.74
  5. Step 5: Solve for x
    x = 9,568,583,751.74/84,233.10
  6. Step 6: Final answer
    x = 113,596.48

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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.