Home / 105,812.70-146,025.73-58,067.75

Finding the Fourth Proportional to 105,812.70, 146,025.73 and 58,067.75

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Solution

The fourth proportional to 105,812.70, 146,025.73 and 58,067.75 is: 80,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,812.70 : 146,025.73 = 58,067.75 : x
  2. Step 2: Convert to fraction form
    105,812.70/146,025.73 = 58,067.75/x
  3. Step 3: Cross multiply
    105,812.70x = 146,025.73 × 58,067.75
  4. Step 4: Simplify right side
    105,812.70x = 8,479,385,292.87
  5. Step 5: Solve for x
    x = 8,479,385,292.87/105,812.70
  6. Step 6: Final answer
    x = 80,135.80

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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.