Home / 53,129.75-79,705.62-44,425.49

Finding the Fourth Proportional to 53,129.75, 79,705.62 and 44,425.49

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Solution

The fourth proportional to 53,129.75, 79,705.62 and 44,425.49 is: 66,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.75 : 79,705.62 = 44,425.49 : x
  2. Step 2: Convert to fraction form
    53,129.75/79,705.62 = 44,425.49/x
  3. Step 3: Cross multiply
    53,129.75x = 79,705.62 × 44,425.49
  4. Step 4: Simplify right side
    53,129.75x = 3,540,960,825.73
  5. Step 5: Solve for x
    x = 3,540,960,825.73/53,129.75
  6. Step 6: Final answer
    x = 66,647.43

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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.