Home / 77,724.76-116,562.30-33,339.64

Finding the Fourth Proportional to 77,724.76, 116,562.30 and 33,339.64

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Solution

The fourth proportional to 77,724.76, 116,562.30 and 33,339.64 is: 49,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,724.76 : 116,562.30 = 33,339.64 : x
  2. Step 2: Convert to fraction form
    77,724.76/116,562.30 = 33,339.64/x
  3. Step 3: Cross multiply
    77,724.76x = 116,562.30 × 33,339.64
  4. Step 4: Simplify right side
    77,724.76x = 3,886,145,119.57
  5. Step 5: Solve for x
    x = 3,886,145,119.57/77,724.76
  6. Step 6: Final answer
    x = 49,998.81

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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.