Home / 58,679.14-80,976.77-31,821.70

Finding the Fourth Proportional to 58,679.14, 80,976.77 and 31,821.70

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Solution

The fourth proportional to 58,679.14, 80,976.77 and 31,821.70 is: 43,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,679.14 : 80,976.77 = 31,821.70 : x
  2. Step 2: Convert to fraction form
    58,679.14/80,976.77 = 31,821.70/x
  3. Step 3: Cross multiply
    58,679.14x = 80,976.77 × 31,821.70
  4. Step 4: Simplify right side
    58,679.14x = 2,576,818,481.91
  5. Step 5: Solve for x
    x = 2,576,818,481.91/58,679.14
  6. Step 6: Final answer
    x = 43,913.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.