Home / 69,454.59-95,845.35-40,773.78

Finding the Fourth Proportional to 69,454.59, 95,845.35 and 40,773.78

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Solution

The fourth proportional to 69,454.59, 95,845.35 and 40,773.78 is: 56,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,454.59 : 95,845.35 = 40,773.78 : x
  2. Step 2: Convert to fraction form
    69,454.59/95,845.35 = 40,773.78/x
  3. Step 3: Cross multiply
    69,454.59x = 95,845.35 × 40,773.78
  4. Step 4: Simplify right side
    69,454.59x = 3,907,977,253.15
  5. Step 5: Solve for x
    x = 3,907,977,253.15/69,454.59
  6. Step 6: Final answer
    x = 56,266.65

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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.