Home / 83,891.06-115,769.67-46,165.31

Finding the Fourth Proportional to 83,891.06, 115,769.67 and 46,165.31

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Solution

The fourth proportional to 83,891.06, 115,769.67 and 46,165.31 is: 63,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,891.06 : 115,769.67 = 46,165.31 : x
  2. Step 2: Convert to fraction form
    83,891.06/115,769.67 = 46,165.31/x
  3. Step 3: Cross multiply
    83,891.06x = 115,769.67 × 46,165.31
  4. Step 4: Simplify right side
    83,891.06x = 5,344,542,125.30
  5. Step 5: Solve for x
    x = 5,344,542,125.30/83,891.06
  6. Step 6: Final answer
    x = 63,708.13

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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.