Home / 50,136.63-69,190.46-28,629.88

Finding the Fourth Proportional to 50,136.63, 69,190.46 and 28,629.88

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Solution

The fourth proportional to 50,136.63, 69,190.46 and 28,629.88 is: 39,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,136.63 : 69,190.46 = 28,629.88 : x
  2. Step 2: Convert to fraction form
    50,136.63/69,190.46 = 28,629.88/x
  3. Step 3: Cross multiply
    50,136.63x = 69,190.46 × 28,629.88
  4. Step 4: Simplify right side
    50,136.63x = 1,980,914,423.80
  5. Step 5: Solve for x
    x = 1,980,914,423.80/50,136.63
  6. Step 6: Final answer
    x = 39,510.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.