Home / 49,862.68-68,842.38-31,025.32

Finding the Fourth Proportional to 49,862.68, 68,842.38 and 31,025.32

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Solution

The fourth proportional to 49,862.68, 68,842.38 and 31,025.32 is: 42,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,862.68 : 68,842.38 = 31,025.32 : x
  2. Step 2: Convert to fraction form
    49,862.68/68,842.38 = 31,025.32/x
  3. Step 3: Cross multiply
    49,862.68x = 68,842.38 × 31,025.32
  4. Step 4: Simplify right side
    49,862.68x = 2,135,856,869.06
  5. Step 5: Solve for x
    x = 2,135,856,869.06/49,862.68
  6. Step 6: Final answer
    x = 42,834.78

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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.