Home / 54,931.30-82,311.73-38,097.15

Finding the Fourth Proportional to 54,931.30, 82,311.73 and 38,097.15

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Solution

The fourth proportional to 54,931.30, 82,311.73 and 38,097.15 is: 57,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,931.30 : 82,311.73 = 38,097.15 : x
  2. Step 2: Convert to fraction form
    54,931.30/82,311.73 = 38,097.15/x
  3. Step 3: Cross multiply
    54,931.30x = 82,311.73 × 38,097.15
  4. Step 4: Simplify right side
    54,931.30x = 3,135,842,039.28
  5. Step 5: Solve for x
    x = 3,135,842,039.28/54,931.30
  6. Step 6: Final answer
    x = 57,086.61

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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.