Home / 77,727.38-116,591.78-25,136.91

Finding the Fourth Proportional to 77,727.38, 116,591.78 and 25,136.91

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Solution

The fourth proportional to 77,727.38, 116,591.78 and 25,136.91 is: 37,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,727.38 : 116,591.78 = 25,136.91 : x
  2. Step 2: Convert to fraction form
    77,727.38/116,591.78 = 25,136.91/x
  3. Step 3: Cross multiply
    77,727.38x = 116,591.78 × 25,136.91
  4. Step 4: Simplify right side
    77,727.38x = 2,930,756,954.92
  5. Step 5: Solve for x
    x = 2,930,756,954.92/77,727.38
  6. Step 6: Final answer
    x = 37,705.60

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1.5x scale

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.