Home / 83,673.82-115,471.25-45,433.36

Finding the Fourth Proportional to 83,673.82, 115,471.25 and 45,433.36

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Solution

The fourth proportional to 83,673.82, 115,471.25 and 45,433.36 is: 62,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,673.82 : 115,471.25 = 45,433.36 : x
  2. Step 2: Convert to fraction form
    83,673.82/115,471.25 = 45,433.36/x
  3. Step 3: Cross multiply
    83,673.82x = 115,471.25 × 45,433.36
  4. Step 4: Simplify right side
    83,673.82x = 5,246,246,870.90
  5. Step 5: Solve for x
    x = 5,246,246,870.90/83,673.82
  6. Step 6: Final answer
    x = 62,698.79

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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.