Home / 49,860.86-68,668-48,772.22

Finding the Fourth Proportional to 49,860.86, 68,668 and 48,772.22

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Solution

The fourth proportional to 49,860.86, 68,668 and 48,772.22 is: 67,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,860.86 : 68,668 = 48,772.22 : x
  2. Step 2: Convert to fraction form
    49,860.86/68,668 = 48,772.22/x
  3. Step 3: Cross multiply
    49,860.86x = 68,668 × 48,772.22
  4. Step 4: Simplify right side
    49,860.86x = 3,349,090,802.96
  5. Step 5: Solve for x
    x = 3,349,090,802.96/49,860.86
  6. Step 6: Final answer
    x = 67,168.73

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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.