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Finding the Fourth Proportional to 96,382.64, 133,008.72 and 53,945.12

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Solution

The fourth proportional to 96,382.64, 133,008.72 and 53,945.12 is: 74,444.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,382.64 : 133,008.72 = 53,945.12 : x
  2. Step 2: Convert to fraction form
    96,382.64/133,008.72 = 53,945.12/x
  3. Step 3: Cross multiply
    96,382.64x = 133,008.72 × 53,945.12
  4. Step 4: Simplify right side
    96,382.64x = 7,175,171,361.45
  5. Step 5: Solve for x
    x = 7,175,171,361.45/96,382.64
  6. Step 6: Final answer
    x = 74,444.64

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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.