Home / 50,107.86-69,131.68-28,582.13

Finding the Fourth Proportional to 50,107.86, 69,131.68 and 28,582.13

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Solution

The fourth proportional to 50,107.86, 69,131.68 and 28,582.13 is: 39,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,107.86 : 69,131.68 = 28,582.13 : x
  2. Step 2: Convert to fraction form
    50,107.86/69,131.68 = 28,582.13/x
  3. Step 3: Cross multiply
    50,107.86x = 69,131.68 × 28,582.13
  4. Step 4: Simplify right side
    50,107.86x = 1,975,930,766.25
  5. Step 5: Solve for x
    x = 1,975,930,766.25/50,107.86
  6. Step 6: Final answer
    x = 39,433.55

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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.