Home / 62,748.72-94,134.62-20,631.18

Finding the Fourth Proportional to 62,748.72, 94,134.62 and 20,631.18

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Solution

The fourth proportional to 62,748.72, 94,134.62 and 20,631.18 is: 30,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,748.72 : 94,134.62 = 20,631.18 : x
  2. Step 2: Convert to fraction form
    62,748.72/94,134.62 = 20,631.18/x
  3. Step 3: Cross multiply
    62,748.72x = 94,134.62 × 20,631.18
  4. Step 4: Simplify right side
    62,748.72x = 1,942,108,289.45
  5. Step 5: Solve for x
    x = 1,942,108,289.45/62,748.72
  6. Step 6: Final answer
    x = 30,950.56

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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.