Home / 78,896.42-118,381.22-34,517.33

Finding the Fourth Proportional to 78,896.42, 118,381.22 and 34,517.33

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Solution

The fourth proportional to 78,896.42, 118,381.22 and 34,517.33 is: 51,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,896.42 : 118,381.22 = 34,517.33 : x
  2. Step 2: Convert to fraction form
    78,896.42/118,381.22 = 34,517.33/x
  3. Step 3: Cross multiply
    78,896.42x = 118,381.22 × 34,517.33
  4. Step 4: Simplify right side
    78,896.42x = 4,086,202,872.05
  5. Step 5: Solve for x
    x = 4,086,202,872.05/78,896.42
  6. Step 6: Final answer
    x = 51,792.00

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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.