Home / 57,143.52-85,770.69-27,582.15

Finding the Fourth Proportional to 57,143.52, 85,770.69 and 27,582.15

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Solution

The fourth proportional to 57,143.52, 85,770.69 and 27,582.15 is: 41,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,143.52 : 85,770.69 = 27,582.15 : x
  2. Step 2: Convert to fraction form
    57,143.52/85,770.69 = 27,582.15/x
  3. Step 3: Cross multiply
    57,143.52x = 85,770.69 × 27,582.15
  4. Step 4: Simplify right side
    57,143.52x = 2,365,740,037.18
  5. Step 5: Solve for x
    x = 2,365,740,037.18/57,143.52
  6. Step 6: Final answer
    x = 41,399.97

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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.