Home / 82,489.03-123,732.01-26,328.70

Finding the Fourth Proportional to 82,489.03, 123,732.01 and 26,328.70

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Solution

The fourth proportional to 82,489.03, 123,732.01 and 26,328.70 is: 39,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,489.03 : 123,732.01 = 26,328.70 : x
  2. Step 2: Convert to fraction form
    82,489.03/123,732.01 = 26,328.70/x
  3. Step 3: Cross multiply
    82,489.03x = 123,732.01 × 26,328.70
  4. Step 4: Simplify right side
    82,489.03x = 3,257,702,971.69
  5. Step 5: Solve for x
    x = 3,257,702,971.69/82,489.03
  6. Step 6: Final answer
    x = 39,492.56

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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.