Home / 53,753.46-80,286.46-48,680.09

Finding the Fourth Proportional to 53,753.46, 80,286.46 and 48,680.09

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Solution

The fourth proportional to 53,753.46, 80,286.46 and 48,680.09 is: 72,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,753.46 : 80,286.46 = 48,680.09 : x
  2. Step 2: Convert to fraction form
    53,753.46/80,286.46 = 48,680.09/x
  3. Step 3: Cross multiply
    53,753.46x = 80,286.46 × 48,680.09
  4. Step 4: Simplify right side
    53,753.46x = 3,908,352,328.13
  5. Step 5: Solve for x
    x = 3,908,352,328.13/53,753.46
  6. Step 6: Final answer
    x = 72,708.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.