Home / 71,651.39-107,313.19-34,237.76

Finding the Fourth Proportional to 71,651.39, 107,313.19 and 34,237.76

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Solution

The fourth proportional to 71,651.39, 107,313.19 and 34,237.76 is: 51,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,651.39 : 107,313.19 = 34,237.76 : x
  2. Step 2: Convert to fraction form
    71,651.39/107,313.19 = 34,237.76/x
  3. Step 3: Cross multiply
    71,651.39x = 107,313.19 × 34,237.76
  4. Step 4: Simplify right side
    71,651.39x = 3,674,162,621.89
  5. Step 5: Solve for x
    x = 3,674,162,621.89/71,651.39
  6. Step 6: Final answer
    x = 51,278.32

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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.