Home / 83,990.14-115,906.41-46,264.39

Finding the Fourth Proportional to 83,990.14, 115,906.41 and 46,264.39

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Solution

The fourth proportional to 83,990.14, 115,906.41 and 46,264.39 is: 63,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,990.14 : 115,906.41 = 46,264.39 : x
  2. Step 2: Convert to fraction form
    83,990.14/115,906.41 = 46,264.39/x
  3. Step 3: Cross multiply
    83,990.14x = 115,906.41 × 46,264.39
  4. Step 4: Simplify right side
    83,990.14x = 5,362,339,587.83
  5. Step 5: Solve for x
    x = 5,362,339,587.83/83,990.14
  6. Step 6: Final answer
    x = 63,844.87

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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.