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Finding the Fourth Proportional to 73,796.28, 110,551.70 and 61,807.72

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Solution

The fourth proportional to 73,796.28, 110,551.70 and 61,807.72 is: 92,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,796.28 : 110,551.70 = 61,807.72 : x
  2. Step 2: Convert to fraction form
    73,796.28/110,551.70 = 61,807.72/x
  3. Step 3: Cross multiply
    73,796.28x = 110,551.70 × 61,807.72
  4. Step 4: Simplify right side
    73,796.28x = 6,832,947,657.33
  5. Step 5: Solve for x
    x = 6,832,947,657.33/73,796.28
  6. Step 6: Final answer
    x = 92,592.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.