Home / 82,125.12-123,181.53-22,965.42

Finding the Fourth Proportional to 82,125.12, 123,181.53 and 22,965.42

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Solution

The fourth proportional to 82,125.12, 123,181.53 and 22,965.42 is: 34,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,125.12 : 123,181.53 = 22,965.42 : x
  2. Step 2: Convert to fraction form
    82,125.12/123,181.53 = 22,965.42/x
  3. Step 3: Cross multiply
    82,125.12x = 123,181.53 × 22,965.42
  4. Step 4: Simplify right side
    82,125.12x = 2,828,915,572.69
  5. Step 5: Solve for x
    x = 2,828,915,572.69/82,125.12
  6. Step 6: Final answer
    x = 34,446.41

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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.