Home / 74,634.14-102,961.80-50,427.29

Finding the Fourth Proportional to 74,634.14, 102,961.80 and 50,427.29

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Solution

The fourth proportional to 74,634.14, 102,961.80 and 50,427.29 is: 69,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,634.14 : 102,961.80 = 50,427.29 : x
  2. Step 2: Convert to fraction form
    74,634.14/102,961.80 = 50,427.29/x
  3. Step 3: Cross multiply
    74,634.14x = 102,961.80 × 50,427.29
  4. Step 4: Simplify right side
    74,634.14x = 5,192,084,804.93
  5. Step 5: Solve for x
    x = 5,192,084,804.93/74,634.14
  6. Step 6: Final answer
    x = 69,567.15

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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.