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Finding the Fourth Proportional to 70,593.27, 105,902.88 and 23,211.03

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Solution

The fourth proportional to 70,593.27, 105,902.88 and 23,211.03 is: 34,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593.27 : 105,902.88 = 23,211.03 : x
  2. Step 2: Convert to fraction form
    70,593.27/105,902.88 = 23,211.03/x
  3. Step 3: Cross multiply
    70,593.27x = 105,902.88 × 23,211.03
  4. Step 4: Simplify right side
    70,593.27x = 2,458,114,924.77
  5. Step 5: Solve for x
    x = 2,458,114,924.77/70,593.27
  6. Step 6: Final answer
    x = 34,820.81

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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.