Home / 45,850.92-68,771.77-12,574.33

Finding the Fourth Proportional to 45,850.92, 68,771.77 and 12,574.33

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Solution

The fourth proportional to 45,850.92, 68,771.77 and 12,574.33 is: 18,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,850.92 : 68,771.77 = 12,574.33 : x
  2. Step 2: Convert to fraction form
    45,850.92/68,771.77 = 12,574.33/x
  3. Step 3: Cross multiply
    45,850.92x = 68,771.77 × 12,574.33
  4. Step 4: Simplify right side
    45,850.92x = 864,758,727.30
  5. Step 5: Solve for x
    x = 864,758,727.30/45,850.92
  6. Step 6: Final answer
    x = 18,860.23

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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.