Home / 104,940.42-144,817.98-57,193.80

Finding the Fourth Proportional to 104,940.42, 144,817.98 and 57,193.80

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Solution

The fourth proportional to 104,940.42, 144,817.98 and 57,193.80 is: 78,927.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940.42 : 144,817.98 = 57,193.80 : x
  2. Step 2: Convert to fraction form
    104,940.42/144,817.98 = 57,193.80/x
  3. Step 3: Cross multiply
    104,940.42x = 144,817.98 × 57,193.80
  4. Step 4: Simplify right side
    104,940.42x = 8,282,690,584.52
  5. Step 5: Solve for x
    x = 8,282,690,584.52/104,940.42
  6. Step 6: Final answer
    x = 78,927.55

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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.