Home / 53,464.40-80,196.60-50,613.20

Finding the Fourth Proportional to 53,464.40, 80,196.60 and 50,613.20

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Solution

The fourth proportional to 53,464.40, 80,196.60 and 50,613.20 is: 75,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,464.40 : 80,196.60 = 50,613.20 : x
  2. Step 2: Convert to fraction form
    53,464.40/80,196.60 = 50,613.20/x
  3. Step 3: Cross multiply
    53,464.40x = 80,196.60 × 50,613.20
  4. Step 4: Simplify right side
    53,464.40x = 4,059,006,555.12
  5. Step 5: Solve for x
    x = 4,059,006,555.12/53,464.40
  6. Step 6: Final answer
    x = 75,919.80

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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.