Home / 51,306.80-76,960.24-40,984.16

Finding the Fourth Proportional to 51,306.80, 76,960.24 and 40,984.16

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Solution

The fourth proportional to 51,306.80, 76,960.24 and 40,984.16 is: 61,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,306.80 : 76,960.24 = 40,984.16 : x
  2. Step 2: Convert to fraction form
    51,306.80/76,960.24 = 40,984.16/x
  3. Step 3: Cross multiply
    51,306.80x = 76,960.24 × 40,984.16
  4. Step 4: Simplify right side
    51,306.80x = 3,154,150,789.80
  5. Step 5: Solve for x
    x = 3,154,150,789.80/51,306.80
  6. Step 6: Final answer
    x = 61,476.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.