Home / 74,308.05-102,560.04-50,442.48

Finding the Fourth Proportional to 74,308.05, 102,560.04 and 50,442.48

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Solution

The fourth proportional to 74,308.05, 102,560.04 and 50,442.48 is: 69,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,308.05 : 102,560.04 = 50,442.48 : x
  2. Step 2: Convert to fraction form
    74,308.05/102,560.04 = 50,442.48/x
  3. Step 3: Cross multiply
    74,308.05x = 102,560.04 × 50,442.48
  4. Step 4: Simplify right side
    74,308.05x = 5,173,382,766.50
  5. Step 5: Solve for x
    x = 5,173,382,766.50/74,308.05
  6. Step 6: Final answer
    x = 69,620.76

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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.