Home / 104,768.04-144,579.90-57,021.73

Finding the Fourth Proportional to 104,768.04, 144,579.90 and 57,021.73

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Solution

The fourth proportional to 104,768.04, 144,579.90 and 57,021.73 is: 78,689.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,768.04 : 144,579.90 = 57,021.73 : x
  2. Step 2: Convert to fraction form
    104,768.04/144,579.90 = 57,021.73/x
  3. Step 3: Cross multiply
    104,768.04x = 144,579.90 × 57,021.73
  4. Step 4: Simplify right side
    104,768.04x = 8,244,195,736.12
  5. Step 5: Solve for x
    x = 8,244,195,736.12/104,768.04
  6. Step 6: Final answer
    x = 78,689.99

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1.5x scale

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.