Home / 53,651.62-80,530.42-40,278.12

Finding the Fourth Proportional to 53,651.62, 80,530.42 and 40,278.12

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Solution

The fourth proportional to 53,651.62, 80,530.42 and 40,278.12 is: 60,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651.62 : 80,530.42 = 40,278.12 : x
  2. Step 2: Convert to fraction form
    53,651.62/80,530.42 = 40,278.12/x
  3. Step 3: Cross multiply
    53,651.62x = 80,530.42 × 40,278.12
  4. Step 4: Simplify right side
    53,651.62x = 3,243,613,920.41
  5. Step 5: Solve for x
    x = 3,243,613,920.41/53,651.62
  6. Step 6: Final answer
    x = 60,456.96

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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.