Home / 81,464.62-112,427.83-45,177.43

Finding the Fourth Proportional to 81,464.62, 112,427.83 and 45,177.43

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Solution

The fourth proportional to 81,464.62, 112,427.83 and 45,177.43 is: 62,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,464.62 : 112,427.83 = 45,177.43 : x
  2. Step 2: Convert to fraction form
    81,464.62/112,427.83 = 45,177.43/x
  3. Step 3: Cross multiply
    81,464.62x = 112,427.83 × 45,177.43
  4. Step 4: Simplify right side
    81,464.62x = 5,079,199,815.06
  5. Step 5: Solve for x
    x = 5,079,199,815.06/81,464.62
  6. Step 6: Final answer
    x = 62,348.54

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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.