Home / 77,664.96-116,478.17-33,286.68

Finding the Fourth Proportional to 77,664.96, 116,478.17 and 33,286.68

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Solution

The fourth proportional to 77,664.96, 116,478.17 and 33,286.68 is: 49,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,664.96 : 116,478.17 = 33,286.68 : x
  2. Step 2: Convert to fraction form
    77,664.96/116,478.17 = 33,286.68/x
  3. Step 3: Cross multiply
    77,664.96x = 116,478.17 × 33,286.68
  4. Step 4: Simplify right side
    77,664.96x = 3,877,171,405.34
  5. Step 5: Solve for x
    x = 3,877,171,405.34/77,664.96
  6. Step 6: Final answer
    x = 49,921.76

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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.