Home / 83,436.80-124,993.92-46,388.48

Finding the Fourth Proportional to 83,436.80, 124,993.92 and 46,388.48

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Solution

The fourth proportional to 83,436.80, 124,993.92 and 46,388.48 is: 69,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,436.80 : 124,993.92 = 46,388.48 : x
  2. Step 2: Convert to fraction form
    83,436.80/124,993.92 = 46,388.48/x
  3. Step 3: Cross multiply
    83,436.80x = 124,993.92 × 46,388.48
  4. Step 4: Simplify right side
    83,436.80x = 5,798,277,958.04
  5. Step 5: Solve for x
    x = 5,798,277,958.04/83,436.80
  6. Step 6: Final answer
    x = 69,493.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.