Home / 68,223.72-94,142.34-50,328.66

Finding the Fourth Proportional to 68,223.72, 94,142.34 and 50,328.66

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Solution

The fourth proportional to 68,223.72, 94,142.34 and 50,328.66 is: 69,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,223.72 : 94,142.34 = 50,328.66 : x
  2. Step 2: Convert to fraction form
    68,223.72/94,142.34 = 50,328.66/x
  3. Step 3: Cross multiply
    68,223.72x = 94,142.34 × 50,328.66
  4. Step 4: Simplify right side
    68,223.72x = 4,738,057,821.46
  5. Step 5: Solve for x
    x = 4,738,057,821.46/68,223.72
  6. Step 6: Final answer
    x = 69,448.83

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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.