Home / 82,435.20-123,346.56-49,173.76

Finding the Fourth Proportional to 82,435.20, 123,346.56 and 49,173.76

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Solution

The fourth proportional to 82,435.20, 123,346.56 and 49,173.76 is: 73,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,435.20 : 123,346.56 = 49,173.76 : x
  2. Step 2: Convert to fraction form
    82,435.20/123,346.56 = 49,173.76/x
  3. Step 3: Cross multiply
    82,435.20x = 123,346.56 × 49,173.76
  4. Step 4: Simplify right side
    82,435.20x = 6,065,414,138.27
  5. Step 5: Solve for x
    x = 6,065,414,138.27/82,435.20
  6. Step 6: Final answer
    x = 73,577.96

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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.