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Finding the Fourth Proportional to 73,722.67, 110,410.38 and 48,700.66

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Solution

The fourth proportional to 73,722.67, 110,410.38 and 48,700.66 is: 72,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,722.67 : 110,410.38 = 48,700.66 : x
  2. Step 2: Convert to fraction form
    73,722.67/110,410.38 = 48,700.66/x
  3. Step 3: Cross multiply
    73,722.67x = 110,410.38 × 48,700.66
  4. Step 4: Simplify right side
    73,722.67x = 5,377,058,376.85
  5. Step 5: Solve for x
    x = 5,377,058,376.85/73,722.67
  6. Step 6: Final answer
    x = 72,936.29

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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.