Home / 49,940.17-68,920.65-28,718.98

Finding the Fourth Proportional to 49,940.17, 68,920.65 and 28,718.98

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Solution

The fourth proportional to 49,940.17, 68,920.65 and 28,718.98 is: 39,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,940.17 : 68,920.65 = 28,718.98 : x
  2. Step 2: Convert to fraction form
    49,940.17/68,920.65 = 28,718.98/x
  3. Step 3: Cross multiply
    49,940.17x = 68,920.65 × 28,718.98
  4. Step 4: Simplify right side
    49,940.17x = 1,979,330,596.64
  5. Step 5: Solve for x
    x = 1,979,330,596.64/49,940.17
  6. Step 6: Final answer
    x = 39,634.04

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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.