Home / 83,021.66-114,586.94-50,761.78

Finding the Fourth Proportional to 83,021.66, 114,586.94 and 50,761.78

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Solution

The fourth proportional to 83,021.66, 114,586.94 and 50,761.78 is: 70,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,021.66 : 114,586.94 = 50,761.78 : x
  2. Step 2: Convert to fraction form
    83,021.66/114,586.94 = 50,761.78/x
  3. Step 3: Cross multiply
    83,021.66x = 114,586.94 × 50,761.78
  4. Step 4: Simplify right side
    83,021.66x = 5,816,637,039.15
  5. Step 5: Solve for x
    x = 5,816,637,039.15/83,021.66
  6. Step 6: Final answer
    x = 70,061.68

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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.