Home / 53,784.20-80,615.40-27,087.75

Finding the Fourth Proportional to 53,784.20, 80,615.40 and 27,087.75

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Solution

The fourth proportional to 53,784.20, 80,615.40 and 27,087.75 is: 40,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,784.20 : 80,615.40 = 27,087.75 : x
  2. Step 2: Convert to fraction form
    53,784.20/80,615.40 = 27,087.75/x
  3. Step 3: Cross multiply
    53,784.20x = 80,615.40 × 27,087.75
  4. Step 4: Simplify right side
    53,784.20x = 2,183,689,801.35
  5. Step 5: Solve for x
    x = 2,183,689,801.35/53,784.20
  6. Step 6: Final answer
    x = 40,600.96

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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.