Home / 104,768.42-144,580.41-57,022.11

Finding the Fourth Proportional to 104,768.42, 144,580.41 and 57,022.11

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Solution

The fourth proportional to 104,768.42, 144,580.41 and 57,022.11 is: 78,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,768.42 : 144,580.41 = 57,022.11 : x
  2. Step 2: Convert to fraction form
    104,768.42/144,580.41 = 57,022.11/x
  3. Step 3: Cross multiply
    104,768.42x = 144,580.41 × 57,022.11
  4. Step 4: Simplify right side
    104,768.42x = 8,244,280,042.87
  5. Step 5: Solve for x
    x = 8,244,280,042.87/104,768.42
  6. Step 6: Final answer
    x = 78,690.51

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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.