Home / 53,498.60-80,334.30-40,365.80

Finding the Fourth Proportional to 53,498.60, 80,334.30 and 40,365.80

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Solution

The fourth proportional to 53,498.60, 80,334.30 and 40,365.80 is: 60,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,498.60 : 80,334.30 = 40,365.80 : x
  2. Step 2: Convert to fraction form
    53,498.60/80,334.30 = 40,365.80/x
  3. Step 3: Cross multiply
    53,498.60x = 80,334.30 × 40,365.80
  4. Step 4: Simplify right side
    53,498.60x = 3,242,758,286.94
  5. Step 5: Solve for x
    x = 3,242,758,286.94/53,498.60
  6. Step 6: Final answer
    x = 60,613.89

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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.