Home / 71,352.06-107,044.49-21,433.10

Finding the Fourth Proportional to 71,352.06, 107,044.49 and 21,433.10

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Solution

The fourth proportional to 71,352.06, 107,044.49 and 21,433.10 is: 32,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,352.06 : 107,044.49 = 21,433.10 : x
  2. Step 2: Convert to fraction form
    71,352.06/107,044.49 = 21,433.10/x
  3. Step 3: Cross multiply
    71,352.06x = 107,044.49 × 21,433.10
  4. Step 4: Simplify right side
    71,352.06x = 2,294,295,258.62
  5. Step 5: Solve for x
    x = 2,294,295,258.62/71,352.06
  6. Step 6: Final answer
    x = 32,154.58

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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.