Home / 85,278.24-117,682.74-49,474.26

Finding the Fourth Proportional to 85,278.24, 117,682.74 and 49,474.26

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Solution

The fourth proportional to 85,278.24, 117,682.74 and 49,474.26 is: 68,273.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,278.24 : 117,682.74 = 49,474.26 : x
  2. Step 2: Convert to fraction form
    85,278.24/117,682.74 = 49,474.26/x
  3. Step 3: Cross multiply
    85,278.24x = 117,682.74 × 49,474.26
  4. Step 4: Simplify right side
    85,278.24x = 5,822,266,476.27
  5. Step 5: Solve for x
    x = 5,822,266,476.27/85,278.24
  6. Step 6: Final answer
    x = 68,273.76

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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.