Home / 62,105.32-93,136.11-19,983.70

Finding the Fourth Proportional to 62,105.32, 93,136.11 and 19,983.70

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Solution

The fourth proportional to 62,105.32, 93,136.11 and 19,983.70 is: 29,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,105.32 : 93,136.11 = 19,983.70 : x
  2. Step 2: Convert to fraction form
    62,105.32/93,136.11 = 19,983.70/x
  3. Step 3: Cross multiply
    62,105.32x = 93,136.11 × 19,983.70
  4. Step 4: Simplify right side
    62,105.32x = 1,861,204,081.41
  5. Step 5: Solve for x
    x = 1,861,204,081.41/62,105.32
  6. Step 6: Final answer
    x = 29,968.51

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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.