Home / 66,922.94-92,361.38-40,065.44

Finding the Fourth Proportional to 66,922.94, 92,361.38 and 40,065.44

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Solution

The fourth proportional to 66,922.94, 92,361.38 and 40,065.44 is: 55,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,922.94 : 92,361.38 = 40,065.44 : x
  2. Step 2: Convert to fraction form
    66,922.94/92,361.38 = 40,065.44/x
  3. Step 3: Cross multiply
    66,922.94x = 92,361.38 × 40,065.44
  4. Step 4: Simplify right side
    66,922.94x = 3,700,498,666.57
  5. Step 5: Solve for x
    x = 3,700,498,666.57/66,922.94
  6. Step 6: Final answer
    x = 55,294.92

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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.