Home / 84,757.30-127,086-32,170.48

Finding the Fourth Proportional to 84,757.30, 127,086 and 32,170.48

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Solution

The fourth proportional to 84,757.30, 127,086 and 32,170.48 is: 48,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,757.30 : 127,086 = 32,170.48 : x
  2. Step 2: Convert to fraction form
    84,757.30/127,086 = 32,170.48/x
  3. Step 3: Cross multiply
    84,757.30x = 127,086 × 32,170.48
  4. Step 4: Simplify right side
    84,757.30x = 4,088,417,621.28
  5. Step 5: Solve for x
    x = 4,088,417,621.28/84,757.30
  6. Step 6: Final answer
    x = 48,236.76

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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.