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Finding the Fourth Proportional to 67,945.49, 101,947.03 and 36,347.27

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Solution

The fourth proportional to 67,945.49, 101,947.03 and 36,347.27 is: 54,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,945.49 : 101,947.03 = 36,347.27 : x
  2. Step 2: Convert to fraction form
    67,945.49/101,947.03 = 36,347.27/x
  3. Step 3: Cross multiply
    67,945.49x = 101,947.03 × 36,347.27
  4. Step 4: Simplify right side
    67,945.49x = 3,705,496,586.91
  5. Step 5: Solve for x
    x = 3,705,496,586.91/67,945.49
  6. Step 6: Final answer
    x = 54,536.31

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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.