Home / 71,645.31-107,449.54-29,537.36

Finding the Fourth Proportional to 71,645.31, 107,449.54 and 29,537.36

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Solution

The fourth proportional to 71,645.31, 107,449.54 and 29,537.36 is: 44,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,645.31 : 107,449.54 = 29,537.36 : x
  2. Step 2: Convert to fraction form
    71,645.31/107,449.54 = 29,537.36/x
  3. Step 3: Cross multiply
    71,645.31x = 107,449.54 × 29,537.36
  4. Step 4: Simplify right side
    71,645.31x = 3,173,775,536.66
  5. Step 5: Solve for x
    x = 3,173,775,536.66/71,645.31
  6. Step 6: Final answer
    x = 44,298.44

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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.