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Finding the Fourth Proportional to 73,864.70, 110,816.85 and 29,522.60

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Solution

The fourth proportional to 73,864.70, 110,816.85 and 29,522.60 is: 44,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,864.70 : 110,816.85 = 29,522.60 : x
  2. Step 2: Convert to fraction form
    73,864.70/110,816.85 = 29,522.60/x
  3. Step 3: Cross multiply
    73,864.70x = 110,816.85 × 29,522.60
  4. Step 4: Simplify right side
    73,864.70x = 3,271,601,535.81
  5. Step 5: Solve for x
    x = 3,271,601,535.81/73,864.70
  6. Step 6: Final answer
    x = 44,291.81

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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.