Home / 74,813.84-103,243.05-47,956.33

Finding the Fourth Proportional to 74,813.84, 103,243.05 and 47,956.33

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Solution

The fourth proportional to 74,813.84, 103,243.05 and 47,956.33 is: 66,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,813.84 : 103,243.05 = 47,956.33 : x
  2. Step 2: Convert to fraction form
    74,813.84/103,243.05 = 47,956.33/x
  3. Step 3: Cross multiply
    74,813.84x = 103,243.05 × 47,956.33
  4. Step 4: Simplify right side
    74,813.84x = 4,951,157,517.90
  5. Step 5: Solve for x
    x = 4,951,157,517.90/74,813.84
  6. Step 6: Final answer
    x = 66,179.70

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Why These Related Problems?

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