Home / 106,436.43-146,882.57-58,688.73

Finding the Fourth Proportional to 106,436.43, 146,882.57 and 58,688.73

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Solution

The fourth proportional to 106,436.43, 146,882.57 and 58,688.73 is: 80,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,436.43 : 146,882.57 = 58,688.73 : x
  2. Step 2: Convert to fraction form
    106,436.43/146,882.57 = 58,688.73/x
  3. Step 3: Cross multiply
    106,436.43x = 146,882.57 × 58,688.73
  4. Step 4: Simplify right side
    106,436.43x = 8,620,350,904.75
  5. Step 5: Solve for x
    x = 8,620,350,904.75/106,436.43
  6. Step 6: Final answer
    x = 80,990.61

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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.