Home / 83,857.88-115,722.24-46,131.32

Finding the Fourth Proportional to 83,857.88, 115,722.24 and 46,131.32

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Solution

The fourth proportional to 83,857.88, 115,722.24 and 46,131.32 is: 63,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,857.88 : 115,722.24 = 46,131.32 : x
  2. Step 2: Convert to fraction form
    83,857.88/115,722.24 = 46,131.32/x
  3. Step 3: Cross multiply
    83,857.88x = 115,722.24 × 46,131.32
  4. Step 4: Simplify right side
    83,857.88x = 5,338,419,684.56
  5. Step 5: Solve for x
    x = 5,338,419,684.56/83,857.88
  6. Step 6: Final answer
    x = 63,660.32

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1.5x scale

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.