Home / 105,760.35-145,958.49-58,023.54

Finding the Fourth Proportional to 105,760.35, 145,958.49 and 58,023.54

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Solution

The fourth proportional to 105,760.35, 145,958.49 and 58,023.54 is: 80,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,760.35 : 145,958.49 = 58,023.54 : x
  2. Step 2: Convert to fraction form
    105,760.35/145,958.49 = 58,023.54/x
  3. Step 3: Cross multiply
    105,760.35x = 145,958.49 × 58,023.54
  4. Step 4: Simplify right side
    105,760.35x = 8,469,028,282.85
  5. Step 5: Solve for x
    x = 8,469,028,282.85/105,760.35
  6. Step 6: Final answer
    x = 80,077.54

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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.