Home / 50,821.66-70,132.94-28,160.56

Finding the Fourth Proportional to 50,821.66, 70,132.94 and 28,160.56

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Solution

The fourth proportional to 50,821.66, 70,132.94 and 28,160.56 is: 38,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,821.66 : 70,132.94 = 28,160.56 : x
  2. Step 2: Convert to fraction form
    50,821.66/70,132.94 = 28,160.56/x
  3. Step 3: Cross multiply
    50,821.66x = 70,132.94 × 28,160.56
  4. Step 4: Simplify right side
    50,821.66x = 1,974,982,864.85
  5. Step 5: Solve for x
    x = 1,974,982,864.85/50,821.66
  6. Step 6: Final answer
    x = 38,861.05

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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.