Home / 71,711.39-107,577.05-31,727.22

Finding the Fourth Proportional to 71,711.39, 107,577.05 and 31,727.22

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Solution

The fourth proportional to 71,711.39, 107,577.05 and 31,727.22 is: 47,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,711.39 : 107,577.05 = 31,727.22 : x
  2. Step 2: Convert to fraction form
    71,711.39/107,577.05 = 31,727.22/x
  3. Step 3: Cross multiply
    71,711.39x = 107,577.05 × 31,727.22
  4. Step 4: Simplify right side
    71,711.39x = 3,413,120,606.66
  5. Step 5: Solve for x
    x = 3,413,120,606.66/71,711.39
  6. Step 6: Final answer
    x = 47,595.24

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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.