Home / 51,168.45-76,747.34-13,732.53

Finding the Fourth Proportional to 51,168.45, 76,747.34 and 13,732.53

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Solution

The fourth proportional to 51,168.45, 76,747.34 and 13,732.53 is: 20,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,168.45 : 76,747.34 = 13,732.53 : x
  2. Step 2: Convert to fraction form
    51,168.45/76,747.34 = 13,732.53/x
  3. Step 3: Cross multiply
    51,168.45x = 76,747.34 × 13,732.53
  4. Step 4: Simplify right side
    51,168.45x = 1,053,935,080.31
  5. Step 5: Solve for x
    x = 1,053,935,080.31/51,168.45
  6. Step 6: Final answer
    x = 20,597.36

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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.