Home / 50,855.71-70,178.94-28,195.05

Finding the Fourth Proportional to 50,855.71, 70,178.94 and 28,195.05

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Solution

The fourth proportional to 50,855.71, 70,178.94 and 28,195.05 is: 38,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,855.71 : 70,178.94 = 28,195.05 : x
  2. Step 2: Convert to fraction form
    50,855.71/70,178.94 = 28,195.05/x
  3. Step 3: Cross multiply
    50,855.71x = 70,178.94 × 28,195.05
  4. Step 4: Simplify right side
    50,855.71x = 1,978,698,722.25
  5. Step 5: Solve for x
    x = 1,978,698,722.25/50,855.71
  6. Step 6: Final answer
    x = 38,908.09

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Double scale
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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.