Home / 53,785.20-80,616.90-27,088.75

Finding the Fourth Proportional to 53,785.20, 80,616.90 and 27,088.75

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Solution

The fourth proportional to 53,785.20, 80,616.90 and 27,088.75 is: 40,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.20 : 80,616.90 = 27,088.75 : x
  2. Step 2: Convert to fraction form
    53,785.20/80,616.90 = 27,088.75/x
  3. Step 3: Cross multiply
    53,785.20x = 80,616.90 × 27,088.75
  4. Step 4: Simplify right side
    53,785.20x = 2,183,811,049.88
  5. Step 5: Solve for x
    x = 2,183,811,049.88/53,785.20
  6. Step 6: Final answer
    x = 40,602.45

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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.