Home / 82,289.24-123,359.94-29,686.43

Finding the Fourth Proportional to 82,289.24, 123,359.94 and 29,686.43

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Solution

The fourth proportional to 82,289.24, 123,359.94 and 29,686.43 is: 44,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,289.24 : 123,359.94 = 29,686.43 : x
  2. Step 2: Convert to fraction form
    82,289.24/123,359.94 = 29,686.43/x
  3. Step 3: Cross multiply
    82,289.24x = 123,359.94 × 29,686.43
  4. Step 4: Simplify right side
    82,289.24x = 3,662,115,606.81
  5. Step 5: Solve for x
    x = 3,662,115,606.81/82,289.24
  6. Step 6: Final answer
    x = 44,502.97

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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.