Home / 61,283.12-91,922.85-16,912.53

Finding the Fourth Proportional to 61,283.12, 91,922.85 and 16,912.53

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Solution

The fourth proportional to 61,283.12, 91,922.85 and 16,912.53 is: 25,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,283.12 : 91,922.85 = 16,912.53 : x
  2. Step 2: Convert to fraction form
    61,283.12/91,922.85 = 16,912.53/x
  3. Step 3: Cross multiply
    61,283.12x = 91,922.85 × 16,912.53
  4. Step 4: Simplify right side
    61,283.12x = 1,554,647,958.31
  5. Step 5: Solve for x
    x = 1,554,647,958.31/61,283.12
  6. Step 6: Final answer
    x = 25,368.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.