Home / 95,136.40-142,704.60-55,673.20

Finding the Fourth Proportional to 95,136.40, 142,704.60 and 55,673.20

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Solution

The fourth proportional to 95,136.40, 142,704.60 and 55,673.20 is: 83,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,136.40 : 142,704.60 = 55,673.20 : x
  2. Step 2: Convert to fraction form
    95,136.40/142,704.60 = 55,673.20/x
  3. Step 3: Cross multiply
    95,136.40x = 142,704.60 × 55,673.20
  4. Step 4: Simplify right side
    95,136.40x = 7,944,821,736.72
  5. Step 5: Solve for x
    x = 7,944,821,736.72/95,136.40
  6. Step 6: Final answer
    x = 83,509.80

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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.