Home / 73,305.44-109,881.21-31,175.72

Finding the Fourth Proportional to 73,305.44, 109,881.21 and 31,175.72

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Solution

The fourth proportional to 73,305.44, 109,881.21 and 31,175.72 is: 46,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,305.44 : 109,881.21 = 31,175.72 : x
  2. Step 2: Convert to fraction form
    73,305.44/109,881.21 = 31,175.72/x
  3. Step 3: Cross multiply
    73,305.44x = 109,881.21 × 31,175.72
  4. Step 4: Simplify right side
    73,305.44x = 3,425,625,836.22
  5. Step 5: Solve for x
    x = 3,425,625,836.22/73,305.44
  6. Step 6: Final answer
    x = 46,730.85

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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.