Home / 49,999.38-68,996.61-27,639.06

Finding the Fourth Proportional to 49,999.38, 68,996.61 and 27,639.06

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Solution

The fourth proportional to 49,999.38, 68,996.61 and 27,639.06 is: 38,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,999.38 : 68,996.61 = 27,639.06 : x
  2. Step 2: Convert to fraction form
    49,999.38/68,996.61 = 27,639.06/x
  3. Step 3: Cross multiply
    49,999.38x = 68,996.61 × 27,639.06
  4. Step 4: Simplify right side
    49,999.38x = 1,907,001,443.59
  5. Step 5: Solve for x
    x = 1,907,001,443.59/49,999.38
  6. Step 6: Final answer
    x = 38,140.50

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1.5x scale

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.