Home / 51,072.33-76,608.53-13,632.56

Finding the Fourth Proportional to 51,072.33, 76,608.53 and 13,632.56

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Solution

The fourth proportional to 51,072.33, 76,608.53 and 13,632.56 is: 20,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.33 : 76,608.53 = 13,632.56 : x
  2. Step 2: Convert to fraction form
    51,072.33/76,608.53 = 13,632.56/x
  3. Step 3: Cross multiply
    51,072.33x = 76,608.53 × 13,632.56
  4. Step 4: Simplify right side
    51,072.33x = 1,044,370,381.74
  5. Step 5: Solve for x
    x = 1,044,370,381.74/51,072.33
  6. Step 6: Final answer
    x = 20,448.85

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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.