Home / 51,932.30-77,967.63-35,121.78

Finding the Fourth Proportional to 51,932.30, 77,967.63 and 35,121.78

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Solution

The fourth proportional to 51,932.30, 77,967.63 and 35,121.78 is: 52,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,932.30 : 77,967.63 = 35,121.78 : x
  2. Step 2: Convert to fraction form
    51,932.30/77,967.63 = 35,121.78/x
  3. Step 3: Cross multiply
    51,932.30x = 77,967.63 × 35,121.78
  4. Step 4: Simplify right side
    51,932.30x = 2,738,361,947.98
  5. Step 5: Solve for x
    x = 2,738,361,947.98/51,932.30
  6. Step 6: Final answer
    x = 52,729.46

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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.