Home / 83,990.39-115,906.75-46,264.64

Finding the Fourth Proportional to 83,990.39, 115,906.75 and 46,264.64

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Solution

The fourth proportional to 83,990.39, 115,906.75 and 46,264.64 is: 63,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,990.39 : 115,906.75 = 46,264.64 : x
  2. Step 2: Convert to fraction form
    83,990.39/115,906.75 = 46,264.64/x
  3. Step 3: Cross multiply
    83,990.39x = 115,906.75 × 46,264.64
  4. Step 4: Simplify right side
    83,990.39x = 5,362,384,612.63
  5. Step 5: Solve for x
    x = 5,362,384,612.63/83,990.39
  6. Step 6: Final answer
    x = 63,845.21

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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.