Home / 71,617.15-107,429.37-26,628.54

Finding the Fourth Proportional to 71,617.15, 107,429.37 and 26,628.54

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Solution

The fourth proportional to 71,617.15, 107,429.37 and 26,628.54 is: 39,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,617.15 : 107,429.37 = 26,628.54 : x
  2. Step 2: Convert to fraction form
    71,617.15/107,429.37 = 26,628.54/x
  3. Step 3: Cross multiply
    71,617.15x = 107,429.37 × 26,628.54
  4. Step 4: Simplify right side
    71,617.15x = 2,860,687,276.22
  5. Step 5: Solve for x
    x = 2,860,687,276.22/71,617.15
  6. Step 6: Final answer
    x = 39,944.17

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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.