Home / 78,786.35-118,161.53-22,626.02

Finding the Fourth Proportional to 78,786.35, 118,161.53 and 22,626.02

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Solution

The fourth proportional to 78,786.35, 118,161.53 and 22,626.02 is: 33,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,786.35 : 118,161.53 = 22,626.02 : x
  2. Step 2: Convert to fraction form
    78,786.35/118,161.53 = 22,626.02/x
  3. Step 3: Cross multiply
    78,786.35x = 118,161.53 × 22,626.02
  4. Step 4: Simplify right side
    78,786.35x = 2,673,524,437.07
  5. Step 5: Solve for x
    x = 2,673,524,437.07/78,786.35
  6. Step 6: Final answer
    x = 33,933.86

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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.