Home / 53,895.25-80,839.11-20,154.85

Finding the Fourth Proportional to 53,895.25, 80,839.11 and 20,154.85

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Solution

The fourth proportional to 53,895.25, 80,839.11 and 20,154.85 is: 30,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.25 : 80,839.11 = 20,154.85 : x
  2. Step 2: Convert to fraction form
    53,895.25/80,839.11 = 20,154.85/x
  3. Step 3: Cross multiply
    53,895.25x = 80,839.11 × 20,154.85
  4. Step 4: Simplify right side
    53,895.25x = 1,629,300,009.67
  5. Step 5: Solve for x
    x = 1,629,300,009.67/53,895.25
  6. Step 6: Final answer
    x = 30,230.86

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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.