Home / 77,619.73-116,332.19-33,194.25

Finding the Fourth Proportional to 77,619.73, 116,332.19 and 33,194.25

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Solution

The fourth proportional to 77,619.73, 116,332.19 and 33,194.25 is: 49,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,619.73 : 116,332.19 = 33,194.25 : x
  2. Step 2: Convert to fraction form
    77,619.73/116,332.19 = 33,194.25/x
  3. Step 3: Cross multiply
    77,619.73x = 116,332.19 × 33,194.25
  4. Step 4: Simplify right side
    77,619.73x = 3,861,559,797.91
  5. Step 5: Solve for x
    x = 3,861,559,797.91/77,619.73
  6. Step 6: Final answer
    x = 49,749.72

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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.