Home / 77,164.85-106,491.62-43,171.31

Finding the Fourth Proportional to 77,164.85, 106,491.62 and 43,171.31

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Solution

The fourth proportional to 77,164.85, 106,491.62 and 43,171.31 is: 59,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,164.85 : 106,491.62 = 43,171.31 : x
  2. Step 2: Convert to fraction form
    77,164.85/106,491.62 = 43,171.31/x
  3. Step 3: Cross multiply
    77,164.85x = 106,491.62 × 43,171.31
  4. Step 4: Simplify right side
    77,164.85x = 4,597,381,991.11
  5. Step 5: Solve for x
    x = 4,597,381,991.11/77,164.85
  6. Step 6: Final answer
    x = 59,578.71

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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.