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Finding the Fourth Proportional to 73,436.25, 101,342.30 and 39,902.25

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Solution

The fourth proportional to 73,436.25, 101,342.30 and 39,902.25 is: 55,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,436.25 : 101,342.30 = 39,902.25 : x
  2. Step 2: Convert to fraction form
    73,436.25/101,342.30 = 39,902.25/x
  3. Step 3: Cross multiply
    73,436.25x = 101,342.30 × 39,902.25
  4. Step 4: Simplify right side
    73,436.25x = 4,043,785,790.18
  5. Step 5: Solve for x
    x = 4,043,785,790.18/73,436.25
  6. Step 6: Final answer
    x = 55,065.25

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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.