Home / 49,979.68-74,982.50-14,919.32

Finding the Fourth Proportional to 49,979.68, 74,982.50 and 14,919.32

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Solution

The fourth proportional to 49,979.68, 74,982.50 and 14,919.32 is: 22,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.68 : 74,982.50 = 14,919.32 : x
  2. Step 2: Convert to fraction form
    49,979.68/74,982.50 = 14,919.32/x
  3. Step 3: Cross multiply
    49,979.68x = 74,982.50 × 14,919.32
  4. Step 4: Simplify right side
    49,979.68x = 1,118,687,911.90
  5. Step 5: Solve for x
    x = 1,118,687,911.90/49,979.68
  6. Step 6: Final answer
    x = 22,382.85

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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.