Home / 50,136.16-69,190.96-28,915.04

Finding the Fourth Proportional to 50,136.16, 69,190.96 and 28,915.04

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Solution

The fourth proportional to 50,136.16, 69,190.96 and 28,915.04 is: 39,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,136.16 : 69,190.96 = 28,915.04 : x
  2. Step 2: Convert to fraction form
    50,136.16/69,190.96 = 28,915.04/x
  3. Step 3: Cross multiply
    50,136.16x = 69,190.96 × 28,915.04
  4. Step 4: Simplify right side
    50,136.16x = 2,000,659,376.04
  5. Step 5: Solve for x
    x = 2,000,659,376.04/50,136.16
  6. Step 6: Final answer
    x = 39,904.52

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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.