Home / 50,072.68-75,104.15-13,136.68

Finding the Fourth Proportional to 50,072.68, 75,104.15 and 13,136.68

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Solution

The fourth proportional to 50,072.68, 75,104.15 and 13,136.68 is: 19,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,072.68 : 75,104.15 = 13,136.68 : x
  2. Step 2: Convert to fraction form
    50,072.68/75,104.15 = 13,136.68/x
  3. Step 3: Cross multiply
    50,072.68x = 75,104.15 × 13,136.68
  4. Step 4: Simplify right side
    50,072.68x = 986,618,809.70
  5. Step 5: Solve for x
    x = 986,618,809.70/50,072.68
  6. Step 6: Final answer
    x = 19,703.74

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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.