Home / 104,936.46-144,812.50-57,189.78

Finding the Fourth Proportional to 104,936.46, 144,812.50 and 57,189.78

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Solution

The fourth proportional to 104,936.46, 144,812.50 and 57,189.78 is: 78,922.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,936.46 : 144,812.50 = 57,189.78 : x
  2. Step 2: Convert to fraction form
    104,936.46/144,812.50 = 57,189.78/x
  3. Step 3: Cross multiply
    104,936.46x = 144,812.50 × 57,189.78
  4. Step 4: Simplify right side
    104,936.46x = 8,281,795,016.25
  5. Step 5: Solve for x
    x = 8,281,795,016.25/104,936.46
  6. Step 6: Final answer
    x = 78,922.00

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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.