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Finding the Fourth Proportional to 70,446.75, 97,226.46 and 43,597.91

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Solution

The fourth proportional to 70,446.75, 97,226.46 and 43,597.91 is: 60,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,446.75 : 97,226.46 = 43,597.91 : x
  2. Step 2: Convert to fraction form
    70,446.75/97,226.46 = 43,597.91/x
  3. Step 3: Cross multiply
    70,446.75x = 97,226.46 × 43,597.91
  4. Step 4: Simplify right side
    70,446.75x = 4,238,870,452.70
  5. Step 5: Solve for x
    x = 4,238,870,452.70/70,446.75
  6. Step 6: Final answer
    x = 60,171.27

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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.