Home / 81,943.97-113,093.55-46,141.02

Finding the Fourth Proportional to 81,943.97, 113,093.55 and 46,141.02

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Solution

The fourth proportional to 81,943.97, 113,093.55 and 46,141.02 is: 63,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,943.97 : 113,093.55 = 46,141.02 : x
  2. Step 2: Convert to fraction form
    81,943.97/113,093.55 = 46,141.02/x
  3. Step 3: Cross multiply
    81,943.97x = 113,093.55 × 46,141.02
  4. Step 4: Simplify right side
    81,943.97x = 5,218,251,752.42
  5. Step 5: Solve for x
    x = 5,218,251,752.42/81,943.97
  6. Step 6: Final answer
    x = 63,680.73

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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.