Home / 71,768.18-107,673.96-51,822.74

Finding the Fourth Proportional to 71,768.18, 107,673.96 and 51,822.74

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Solution

The fourth proportional to 71,768.18, 107,673.96 and 51,822.74 is: 77,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,768.18 : 107,673.96 = 51,822.74 : x
  2. Step 2: Convert to fraction form
    71,768.18/107,673.96 = 51,822.74/x
  3. Step 3: Cross multiply
    71,768.18x = 107,673.96 × 51,822.74
  4. Step 4: Simplify right side
    71,768.18x = 5,579,959,633.85
  5. Step 5: Solve for x
    x = 5,579,959,633.85/71,768.18
  6. Step 6: Final answer
    x = 77,749.77

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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.