Home / 49,738.14-68,639.75-28,229.31

Finding the Fourth Proportional to 49,738.14, 68,639.75 and 28,229.31

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Solution

The fourth proportional to 49,738.14, 68,639.75 and 28,229.31 is: 38,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,738.14 : 68,639.75 = 28,229.31 : x
  2. Step 2: Convert to fraction form
    49,738.14/68,639.75 = 28,229.31/x
  3. Step 3: Cross multiply
    49,738.14x = 68,639.75 × 28,229.31
  4. Step 4: Simplify right side
    49,738.14x = 1,937,652,781.07
  5. Step 5: Solve for x
    x = 1,937,652,781.07/49,738.14
  6. Step 6: Final answer
    x = 38,957.08

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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.