Home / 66,865.45-92,283.78-41,380.03

Finding the Fourth Proportional to 66,865.45, 92,283.78 and 41,380.03

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Solution

The fourth proportional to 66,865.45, 92,283.78 and 41,380.03 is: 57,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,865.45 : 92,283.78 = 41,380.03 : x
  2. Step 2: Convert to fraction form
    66,865.45/92,283.78 = 41,380.03/x
  3. Step 3: Cross multiply
    66,865.45x = 92,283.78 × 41,380.03
  4. Step 4: Simplify right side
    66,865.45x = 3,818,705,584.91
  5. Step 5: Solve for x
    x = 3,818,705,584.91/66,865.45
  6. Step 6: Final answer
    x = 57,110.30

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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.