Home / 50,824.11-70,136.23-28,162.90

Finding the Fourth Proportional to 50,824.11, 70,136.23 and 28,162.90

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Solution

The fourth proportional to 50,824.11, 70,136.23 and 28,162.90 is: 38,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,824.11 : 70,136.23 = 28,162.90 : x
  2. Step 2: Convert to fraction form
    50,824.11/70,136.23 = 28,162.90/x
  3. Step 3: Cross multiply
    50,824.11x = 70,136.23 × 28,162.90
  4. Step 4: Simplify right side
    50,824.11x = 1,975,239,631.87
  5. Step 5: Solve for x
    x = 1,975,239,631.87/50,824.11
  6. Step 6: Final answer
    x = 38,864.22

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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.