Home / 82,446.12-123,678.14-26,273.03

Finding the Fourth Proportional to 82,446.12, 123,678.14 and 26,273.03

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Solution

The fourth proportional to 82,446.12, 123,678.14 and 26,273.03 is: 39,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,446.12 : 123,678.14 = 26,273.03 : x
  2. Step 2: Convert to fraction form
    82,446.12/123,678.14 = 26,273.03/x
  3. Step 3: Cross multiply
    82,446.12x = 123,678.14 × 26,273.03
  4. Step 4: Simplify right side
    82,446.12x = 3,249,398,732.81
  5. Step 5: Solve for x
    x = 3,249,398,732.81/82,446.12
  6. Step 6: Final answer
    x = 39,412.39

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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.