Home / 78,717.20-118,040.96-22,544.52

Finding the Fourth Proportional to 78,717.20, 118,040.96 and 22,544.52

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Solution

The fourth proportional to 78,717.20, 118,040.96 and 22,544.52 is: 33,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,717.20 : 118,040.96 = 22,544.52 : x
  2. Step 2: Convert to fraction form
    78,717.20/118,040.96 = 22,544.52/x
  3. Step 3: Cross multiply
    78,717.20x = 118,040.96 × 22,544.52
  4. Step 4: Simplify right side
    78,717.20x = 2,661,176,783.54
  5. Step 5: Solve for x
    x = 2,661,176,783.54/78,717.20
  6. Step 6: Final answer
    x = 33,806.80

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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.