Home / 85,132.96-127,708.14-32,586.64

Finding the Fourth Proportional to 85,132.96, 127,708.14 and 32,586.64

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Solution

The fourth proportional to 85,132.96, 127,708.14 and 32,586.64 is: 48,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132.96 : 127,708.14 = 32,586.64 : x
  2. Step 2: Convert to fraction form
    85,132.96/127,708.14 = 32,586.64/x
  3. Step 3: Cross multiply
    85,132.96x = 127,708.14 × 32,586.64
  4. Step 4: Simplify right side
    85,132.96x = 4,161,579,183.25
  5. Step 5: Solve for x
    x = 4,161,579,183.25/85,132.96
  6. Step 6: Final answer
    x = 48,883.29

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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.