Home / 66,923.31-92,361.89-40,065.80

Finding the Fourth Proportional to 66,923.31, 92,361.89 and 40,065.80

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Solution

The fourth proportional to 66,923.31, 92,361.89 and 40,065.80 is: 55,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,923.31 : 92,361.89 = 40,065.80 : x
  2. Step 2: Convert to fraction form
    66,923.31/92,361.89 = 40,065.80/x
  3. Step 3: Cross multiply
    66,923.31x = 92,361.89 × 40,065.80
  4. Step 4: Simplify right side
    66,923.31x = 3,700,552,350.22
  5. Step 5: Solve for x
    x = 3,700,552,350.22/66,923.31
  6. Step 6: Final answer
    x = 55,295.42

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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.