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Finding the Fourth Proportional to 70,550.71, 97,361.13 and 38,722.57

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Solution

The fourth proportional to 70,550.71, 97,361.13 and 38,722.57 is: 53,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,550.71 : 97,361.13 = 38,722.57 : x
  2. Step 2: Convert to fraction form
    70,550.71/97,361.13 = 38,722.57/x
  3. Step 3: Cross multiply
    70,550.71x = 97,361.13 × 38,722.57
  4. Step 4: Simplify right side
    70,550.71x = 3,770,073,171.70
  5. Step 5: Solve for x
    x = 3,770,073,171.70/70,550.71
  6. Step 6: Final answer
    x = 53,437.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.