Home / 67,945.87-101,947.60-36,347.65

Finding the Fourth Proportional to 67,945.87, 101,947.60 and 36,347.65

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Solution

The fourth proportional to 67,945.87, 101,947.60 and 36,347.65 is: 54,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,945.87 : 101,947.60 = 36,347.65 : x
  2. Step 2: Convert to fraction form
    67,945.87/101,947.60 = 36,347.65/x
  3. Step 3: Cross multiply
    67,945.87x = 101,947.60 × 36,347.65
  4. Step 4: Simplify right side
    67,945.87x = 3,705,555,683.14
  5. Step 5: Solve for x
    x = 3,705,555,683.14/67,945.87
  6. Step 6: Final answer
    x = 54,536.88

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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.