Home / 51,851.38-77,789.37-16,790.98

Finding the Fourth Proportional to 51,851.38, 77,789.37 and 16,790.98

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Solution

The fourth proportional to 51,851.38, 77,789.37 and 16,790.98 is: 25,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851.38 : 77,789.37 = 16,790.98 : x
  2. Step 2: Convert to fraction form
    51,851.38/77,789.37 = 16,790.98/x
  3. Step 3: Cross multiply
    51,851.38x = 77,789.37 × 16,790.98
  4. Step 4: Simplify right side
    51,851.38x = 1,306,159,755.88
  5. Step 5: Solve for x
    x = 1,306,159,755.88/51,851.38
  6. Step 6: Final answer
    x = 25,190.45

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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.