Home / 49,691.07-68,639.81-48,968.15

Finding the Fourth Proportional to 49,691.07, 68,639.81 and 48,968.15

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Solution

The fourth proportional to 49,691.07, 68,639.81 and 48,968.15 is: 67,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,691.07 : 68,639.81 = 48,968.15 : x
  2. Step 2: Convert to fraction form
    49,691.07/68,639.81 = 48,968.15/x
  3. Step 3: Cross multiply
    49,691.07x = 68,639.81 × 48,968.15
  4. Step 4: Simplify right side
    49,691.07x = 3,361,163,924.01
  5. Step 5: Solve for x
    x = 3,361,163,924.01/49,691.07
  6. Step 6: Final answer
    x = 67,641.21

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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.