Home / 84,785.72-127,171.20-32,195.60

Finding the Fourth Proportional to 84,785.72, 127,171.20 and 32,195.60

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Solution

The fourth proportional to 84,785.72, 127,171.20 and 32,195.60 is: 48,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,785.72 : 127,171.20 = 32,195.60 : x
  2. Step 2: Convert to fraction form
    84,785.72/127,171.20 = 32,195.60/x
  3. Step 3: Cross multiply
    84,785.72x = 127,171.20 × 32,195.60
  4. Step 4: Simplify right side
    84,785.72x = 4,094,353,086.72
  5. Step 5: Solve for x
    x = 4,094,353,086.72/84,785.72
  6. Step 6: Final answer
    x = 48,290.60

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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.