Home / 74,517.31-102,781.83-50,602.46

Finding the Fourth Proportional to 74,517.31, 102,781.83 and 50,602.46

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Solution

The fourth proportional to 74,517.31, 102,781.83 and 50,602.46 is: 69,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,517.31 : 102,781.83 = 50,602.46 : x
  2. Step 2: Convert to fraction form
    74,517.31/102,781.83 = 50,602.46/x
  3. Step 3: Cross multiply
    74,517.31x = 102,781.83 × 50,602.46
  4. Step 4: Simplify right side
    74,517.31x = 5,201,013,698.26
  5. Step 5: Solve for x
    x = 5,201,013,698.26/74,517.31
  6. Step 6: Final answer
    x = 69,796.05

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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.