Home / 82,302.22-113,573.31-51,691.12

Finding the Fourth Proportional to 82,302.22, 113,573.31 and 51,691.12

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Solution

The fourth proportional to 82,302.22, 113,573.31 and 51,691.12 is: 71,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,302.22 : 113,573.31 = 51,691.12 : x
  2. Step 2: Convert to fraction form
    82,302.22/113,573.31 = 51,691.12/x
  3. Step 3: Cross multiply
    82,302.22x = 113,573.31 × 51,691.12
  4. Step 4: Simplify right side
    82,302.22x = 5,870,731,028.14
  5. Step 5: Solve for x
    x = 5,870,731,028.14/82,302.22
  6. Step 6: Final answer
    x = 71,331.39

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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.