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Finding the Fourth Proportional to 73,476.96, 101,381.52 and 41,638.56

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Solution

The fourth proportional to 73,476.96, 101,381.52 and 41,638.56 is: 57,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,476.96 : 101,381.52 = 41,638.56 : x
  2. Step 2: Convert to fraction form
    73,476.96/101,381.52 = 41,638.56/x
  3. Step 3: Cross multiply
    73,476.96x = 101,381.52 × 41,638.56
  4. Step 4: Simplify right side
    73,476.96x = 4,221,380,503.41
  5. Step 5: Solve for x
    x = 4,221,380,503.41/73,476.96
  6. Step 6: Final answer
    x = 57,451.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.