Home / 57,455.20-86,182.80-27,930.70

Finding the Fourth Proportional to 57,455.20, 86,182.80 and 27,930.70

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Solution

The fourth proportional to 57,455.20, 86,182.80 and 27,930.70 is: 41,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,455.20 : 86,182.80 = 27,930.70 : x
  2. Step 2: Convert to fraction form
    57,455.20/86,182.80 = 27,930.70/x
  3. Step 3: Cross multiply
    57,455.20x = 86,182.80 × 27,930.70
  4. Step 4: Simplify right side
    57,455.20x = 2,407,145,931.96
  5. Step 5: Solve for x
    x = 2,407,145,931.96/57,455.20
  6. Step 6: Final answer
    x = 41,896.05

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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.