Home / 71,511.27-107,225.37-27,113.81

Finding the Fourth Proportional to 71,511.27, 107,225.37 and 27,113.81

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Solution

The fourth proportional to 71,511.27, 107,225.37 and 27,113.81 is: 40,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,511.27 : 107,225.37 = 27,113.81 : x
  2. Step 2: Convert to fraction form
    71,511.27/107,225.37 = 27,113.81/x
  3. Step 3: Cross multiply
    71,511.27x = 107,225.37 × 27,113.81
  4. Step 4: Simplify right side
    71,511.27x = 2,907,287,637.66
  5. Step 5: Solve for x
    x = 2,907,287,637.66/71,511.27
  6. Step 6: Final answer
    x = 40,654.96

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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.