Home / 53,455.20-80,182.80-41,013.60

Finding the Fourth Proportional to 53,455.20, 80,182.80 and 41,013.60

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Solution

The fourth proportional to 53,455.20, 80,182.80 and 41,013.60 is: 61,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,455.20 : 80,182.80 = 41,013.60 : x
  2. Step 2: Convert to fraction form
    53,455.20/80,182.80 = 41,013.60/x
  3. Step 3: Cross multiply
    53,455.20x = 80,182.80 × 41,013.60
  4. Step 4: Simplify right side
    53,455.20x = 3,288,585,286.08
  5. Step 5: Solve for x
    x = 3,288,585,286.08/53,455.20
  6. Step 6: Final answer
    x = 61,520.40

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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.