Home / 82,435.66-123,663.30-26,256.04

Finding the Fourth Proportional to 82,435.66, 123,663.30 and 26,256.04

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Solution

The fourth proportional to 82,435.66, 123,663.30 and 26,256.04 is: 39,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,435.66 : 123,663.30 = 26,256.04 : x
  2. Step 2: Convert to fraction form
    82,435.66/123,663.30 = 26,256.04/x
  3. Step 3: Cross multiply
    82,435.66x = 123,663.30 × 26,256.04
  4. Step 4: Simplify right side
    82,435.66x = 3,246,908,551.33
  5. Step 5: Solve for x
    x = 3,246,908,551.33/82,435.66
  6. Step 6: Final answer
    x = 39,387.18

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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.