Home / 71,508.22-107,298.73-29,420.62

Finding the Fourth Proportional to 71,508.22, 107,298.73 and 29,420.62

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Solution

The fourth proportional to 71,508.22, 107,298.73 and 29,420.62 is: 44,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,508.22 : 107,298.73 = 29,420.62 : x
  2. Step 2: Convert to fraction form
    71,508.22/107,298.73 = 29,420.62/x
  3. Step 3: Cross multiply
    71,508.22x = 107,298.73 × 29,420.62
  4. Step 4: Simplify right side
    71,508.22x = 3,156,795,161.81
  5. Step 5: Solve for x
    x = 3,156,795,161.81/71,508.22
  6. Step 6: Final answer
    x = 44,145.91

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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.