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Finding the Fourth Proportional to 96,389.15, 133,017 and 53,947.68

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Solution

The fourth proportional to 96,389.15, 133,017 and 53,947.68 is: 74,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,389.15 : 133,017 = 53,947.68 : x
  2. Step 2: Convert to fraction form
    96,389.15/133,017 = 53,947.68/x
  3. Step 3: Cross multiply
    96,389.15x = 133,017 × 53,947.68
  4. Step 4: Simplify right side
    96,389.15x = 7,175,958,550.56
  5. Step 5: Solve for x
    x = 7,175,958,550.56/96,389.15
  6. Step 6: Final answer
    x = 74,447.79

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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.