Home / 66,843.97-92,235.89-39,976.67

Finding the Fourth Proportional to 66,843.97, 92,235.89 and 39,976.67

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Solution

The fourth proportional to 66,843.97, 92,235.89 and 39,976.67 is: 55,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,843.97 : 92,235.89 = 39,976.67 : x
  2. Step 2: Convert to fraction form
    66,843.97/92,235.89 = 39,976.67/x
  3. Step 3: Cross multiply
    66,843.97x = 92,235.89 × 39,976.67
  4. Step 4: Simplify right side
    66,843.97x = 3,687,283,736.69
  5. Step 5: Solve for x
    x = 3,687,283,736.69/66,843.97
  6. Step 6: Final answer
    x = 55,162.55

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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.