Home / 49,896.62-74,805.19-28,812.72

Finding the Fourth Proportional to 49,896.62, 74,805.19 and 28,812.72

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Solution

The fourth proportional to 49,896.62, 74,805.19 and 28,812.72 is: 43,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,896.62 : 74,805.19 = 28,812.72 : x
  2. Step 2: Convert to fraction form
    49,896.62/74,805.19 = 28,812.72/x
  3. Step 3: Cross multiply
    49,896.62x = 74,805.19 × 28,812.72
  4. Step 4: Simplify right side
    49,896.62x = 2,155,340,994.02
  5. Step 5: Solve for x
    x = 2,155,340,994.02/49,896.62
  6. Step 6: Final answer
    x = 43,196.13

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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.