Home / 74,380.17-102,634.29-43,754.64

Finding the Fourth Proportional to 74,380.17, 102,634.29 and 43,754.64

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Solution

The fourth proportional to 74,380.17, 102,634.29 and 43,754.64 is: 60,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,380.17 : 102,634.29 = 43,754.64 : x
  2. Step 2: Convert to fraction form
    74,380.17/102,634.29 = 43,754.64/x
  3. Step 3: Cross multiply
    74,380.17x = 102,634.29 × 43,754.64
  4. Step 4: Simplify right side
    74,380.17x = 4,490,726,410.61
  5. Step 5: Solve for x
    x = 4,490,726,410.61/74,380.17
  6. Step 6: Final answer
    x = 60,375.32

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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.