Home / 63,672.24-87,863.43-34,991.28

Finding the Fourth Proportional to 63,672.24, 87,863.43 and 34,991.28

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Solution

The fourth proportional to 63,672.24, 87,863.43 and 34,991.28 is: 48,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,672.24 : 87,863.43 = 34,991.28 : x
  2. Step 2: Convert to fraction form
    63,672.24/87,863.43 = 34,991.28/x
  3. Step 3: Cross multiply
    63,672.24x = 87,863.43 × 34,991.28
  4. Step 4: Simplify right side
    63,672.24x = 3,074,454,012.11
  5. Step 5: Solve for x
    x = 3,074,454,012.11/63,672.24
  6. Step 6: Final answer
    x = 48,285.62

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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.