Home / 84,474.91-126,730.43-31,167.07

Finding the Fourth Proportional to 84,474.91, 126,730.43 and 31,167.07

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Solution

The fourth proportional to 84,474.91, 126,730.43 and 31,167.07 is: 46,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,474.91 : 126,730.43 = 31,167.07 : x
  2. Step 2: Convert to fraction form
    84,474.91/126,730.43 = 31,167.07/x
  3. Step 3: Cross multiply
    84,474.91x = 126,730.43 × 31,167.07
  4. Step 4: Simplify right side
    84,474.91x = 3,949,816,182.94
  5. Step 5: Solve for x
    x = 3,949,816,182.94/84,474.91
  6. Step 6: Final answer
    x = 46,757.27

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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.