Home / 83,932.36-115,811.94-50,399.08

Finding the Fourth Proportional to 83,932.36, 115,811.94 and 50,399.08

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Solution

The fourth proportional to 83,932.36, 115,811.94 and 50,399.08 is: 69,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,932.36 : 115,811.94 = 50,399.08 : x
  2. Step 2: Convert to fraction form
    83,932.36/115,811.94 = 50,399.08/x
  3. Step 3: Cross multiply
    83,932.36x = 115,811.94 × 50,399.08
  4. Step 4: Simplify right side
    83,932.36x = 5,836,815,229.02
  5. Step 5: Solve for x
    x = 5,836,815,229.02/83,932.36
  6. Step 6: Final answer
    x = 69,541.89

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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.