Home / 74,334.72-102,583.68-40,800

Finding the Fourth Proportional to 74,334.72, 102,583.68 and 40,800

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Solution

The fourth proportional to 74,334.72, 102,583.68 and 40,800 is: 56,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,334.72 : 102,583.68 = 40,800 : x
  2. Step 2: Convert to fraction form
    74,334.72/102,583.68 = 40,800/x
  3. Step 3: Cross multiply
    74,334.72x = 102,583.68 × 40,800
  4. Step 4: Simplify right side
    74,334.72x = 4,185,414,144.00
  5. Step 5: Solve for x
    x = 4,185,414,144.00/74,334.72
  6. Step 6: Final answer
    x = 56,304.97

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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.