Home / 74,092.20-102,240.76-43,872.10

Finding the Fourth Proportional to 74,092.20, 102,240.76 and 43,872.10

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Solution

The fourth proportional to 74,092.20, 102,240.76 and 43,872.10 is: 60,539.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,092.20 : 102,240.76 = 43,872.10 : x
  2. Step 2: Convert to fraction form
    74,092.20/102,240.76 = 43,872.10/x
  3. Step 3: Cross multiply
    74,092.20x = 102,240.76 × 43,872.10
  4. Step 4: Simplify right side
    74,092.20x = 4,485,516,846.80
  5. Step 5: Solve for x
    x = 4,485,516,846.80/74,092.20
  6. Step 6: Final answer
    x = 60,539.66

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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.