Home / 81,947.66-113,089.89-46,138.97

Finding the Fourth Proportional to 81,947.66, 113,089.89 and 46,138.97

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Solution

The fourth proportional to 81,947.66, 113,089.89 and 46,138.97 is: 63,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,947.66 : 113,089.89 = 46,138.97 : x
  2. Step 2: Convert to fraction form
    81,947.66/113,089.89 = 46,138.97/x
  3. Step 3: Cross multiply
    81,947.66x = 113,089.89 × 46,138.97
  4. Step 4: Simplify right side
    81,947.66x = 5,217,850,476.56
  5. Step 5: Solve for x
    x = 5,217,850,476.56/81,947.66
  6. Step 6: Final answer
    x = 63,672.97

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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.