Home / 49,943.94-68,916.84-28,730.04

Finding the Fourth Proportional to 49,943.94, 68,916.84 and 28,730.04

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Solution

The fourth proportional to 49,943.94, 68,916.84 and 28,730.04 is: 39,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,943.94 : 68,916.84 = 28,730.04 : x
  2. Step 2: Convert to fraction form
    49,943.94/68,916.84 = 28,730.04/x
  3. Step 3: Cross multiply
    49,943.94x = 68,916.84 × 28,730.04
  4. Step 4: Simplify right side
    49,943.94x = 1,979,983,569.87
  5. Step 5: Solve for x
    x = 1,979,983,569.87/49,943.94
  6. Step 6: Final answer
    x = 39,644.12

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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.