Home / 82,609.74-123,904.08-26,455.68

Finding the Fourth Proportional to 82,609.74, 123,904.08 and 26,455.68

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Solution

The fourth proportional to 82,609.74, 123,904.08 and 26,455.68 is: 39,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,609.74 : 123,904.08 = 26,455.68 : x
  2. Step 2: Convert to fraction form
    82,609.74/123,904.08 = 26,455.68/x
  3. Step 3: Cross multiply
    82,609.74x = 123,904.08 × 26,455.68
  4. Step 4: Simplify right side
    82,609.74x = 3,277,966,691.17
  5. Step 5: Solve for x
    x = 3,277,966,691.17/82,609.74
  6. Step 6: Final answer
    x = 39,680.15

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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.