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Finding the Fourth Proportional to 72,349.57, 108,550.95 and 30,233.89

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Solution

The fourth proportional to 72,349.57, 108,550.95 and 30,233.89 is: 45,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,349.57 : 108,550.95 = 30,233.89 : x
  2. Step 2: Convert to fraction form
    72,349.57/108,550.95 = 30,233.89/x
  3. Step 3: Cross multiply
    72,349.57x = 108,550.95 × 30,233.89
  4. Step 4: Simplify right side
    72,349.57x = 3,281,917,481.70
  5. Step 5: Solve for x
    x = 3,281,917,481.70/72,349.57
  6. Step 6: Final answer
    x = 45,361.95

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1.5x scale

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.