Home / 50,771.20-70,160.64-38,174.08

Finding the Fourth Proportional to 50,771.20, 70,160.64 and 38,174.08

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Solution

The fourth proportional to 50,771.20, 70,160.64 and 38,174.08 is: 52,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,771.20 : 70,160.64 = 38,174.08 : x
  2. Step 2: Convert to fraction form
    50,771.20/70,160.64 = 38,174.08/x
  3. Step 3: Cross multiply
    50,771.20x = 70,160.64 × 38,174.08
  4. Step 4: Simplify right side
    50,771.20x = 2,678,317,884.21
  5. Step 5: Solve for x
    x = 2,678,317,884.21/50,771.20
  6. Step 6: Final answer
    x = 52,752.70

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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.