Home / 74,944.83-103,422.11-40,953.44

Finding the Fourth Proportional to 74,944.83, 103,422.11 and 40,953.44

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Solution

The fourth proportional to 74,944.83, 103,422.11 and 40,953.44 is: 56,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,944.83 : 103,422.11 = 40,953.44 : x
  2. Step 2: Convert to fraction form
    74,944.83/103,422.11 = 40,953.44/x
  3. Step 3: Cross multiply
    74,944.83x = 103,422.11 × 40,953.44
  4. Step 4: Simplify right side
    74,944.83x = 4,235,490,454.68
  5. Step 5: Solve for x
    x = 4,235,490,454.68/74,944.83
  6. Step 6: Final answer
    x = 56,514.78

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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.