Home / 82,729.38-124,135.08-32,808.37

Finding the Fourth Proportional to 82,729.38, 124,135.08 and 32,808.37

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Solution

The fourth proportional to 82,729.38, 124,135.08 and 32,808.37 is: 49,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,729.38 : 124,135.08 = 32,808.37 : x
  2. Step 2: Convert to fraction form
    82,729.38/124,135.08 = 32,808.37/x
  3. Step 3: Cross multiply
    82,729.38x = 124,135.08 × 32,808.37
  4. Step 4: Simplify right side
    82,729.38x = 4,072,669,944.96
  5. Step 5: Solve for x
    x = 4,072,669,944.96/82,729.38
  6. Step 6: Final answer
    x = 49,228.82

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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.