Home / 53,660.40-80,404.20-44,847.60

Finding the Fourth Proportional to 53,660.40, 80,404.20 and 44,847.60

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Solution

The fourth proportional to 53,660.40, 80,404.20 and 44,847.60 is: 67,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.40 : 80,404.20 = 44,847.60 : x
  2. Step 2: Convert to fraction form
    53,660.40/80,404.20 = 44,847.60/x
  3. Step 3: Cross multiply
    53,660.40x = 80,404.20 × 44,847.60
  4. Step 4: Simplify right side
    53,660.40x = 3,605,935,399.92
  5. Step 5: Solve for x
    x = 3,605,935,399.92/53,660.40
  6. Step 6: Final answer
    x = 67,199.19

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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.