Home / 82,141.12-113,354.68-46,331.04

Finding the Fourth Proportional to 82,141.12, 113,354.68 and 46,331.04

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Solution

The fourth proportional to 82,141.12, 113,354.68 and 46,331.04 is: 63,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,141.12 : 113,354.68 = 46,331.04 : x
  2. Step 2: Convert to fraction form
    82,141.12/113,354.68 = 46,331.04/x
  3. Step 3: Cross multiply
    82,141.12x = 113,354.68 × 46,331.04
  4. Step 4: Simplify right side
    82,141.12x = 5,251,840,213.27
  5. Step 5: Solve for x
    x = 5,251,840,213.27/82,141.12
  6. Step 6: Final answer
    x = 63,936.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.