Home / 106,125.12-146,456.10-58,383.72

Finding the Fourth Proportional to 106,125.12, 146,456.10 and 58,383.72

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Solution

The fourth proportional to 106,125.12, 146,456.10 and 58,383.72 is: 80,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,125.12 : 146,456.10 = 58,383.72 : x
  2. Step 2: Convert to fraction form
    106,125.12/146,456.10 = 58,383.72/x
  3. Step 3: Cross multiply
    106,125.12x = 146,456.10 × 58,383.72
  4. Step 4: Simplify right side
    106,125.12x = 8,550,651,934.69
  5. Step 5: Solve for x
    x = 8,550,651,934.69/106,125.12
  6. Step 6: Final answer
    x = 80,571.42

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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.