Home / 79,136.26-118,722.17-26,544.40

Finding the Fourth Proportional to 79,136.26, 118,722.17 and 26,544.40

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Solution

The fourth proportional to 79,136.26, 118,722.17 and 26,544.40 is: 39,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,136.26 : 118,722.17 = 26,544.40 : x
  2. Step 2: Convert to fraction form
    79,136.26/118,722.17 = 26,544.40/x
  3. Step 3: Cross multiply
    79,136.26x = 118,722.17 × 26,544.40
  4. Step 4: Simplify right side
    79,136.26x = 3,151,408,769.35
  5. Step 5: Solve for x
    x = 3,151,408,769.35/79,136.26
  6. Step 6: Final answer
    x = 39,822.56

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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.