Home / 51,661.17-77,481.47-14,211.56

Finding the Fourth Proportional to 51,661.17, 77,481.47 and 14,211.56

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Solution

The fourth proportional to 51,661.17, 77,481.47 and 14,211.56 is: 21,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,661.17 : 77,481.47 = 14,211.56 : x
  2. Step 2: Convert to fraction form
    51,661.17/77,481.47 = 14,211.56/x
  3. Step 3: Cross multiply
    51,661.17x = 77,481.47 × 14,211.56
  4. Step 4: Simplify right side
    51,661.17x = 1,101,132,789.03
  5. Step 5: Solve for x
    x = 1,101,132,789.03/51,661.17
  6. Step 6: Final answer
    x = 21,314.52

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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.