Home / 74,019.26-102,179.94-47,197.82

Finding the Fourth Proportional to 74,019.26, 102,179.94 and 47,197.82

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Solution

The fourth proportional to 74,019.26, 102,179.94 and 47,197.82 is: 65,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,019.26 : 102,179.94 = 47,197.82 : x
  2. Step 2: Convert to fraction form
    74,019.26/102,179.94 = 47,197.82/x
  3. Step 3: Cross multiply
    74,019.26x = 102,179.94 × 47,197.82
  4. Step 4: Simplify right side
    74,019.26x = 4,822,670,415.73
  5. Step 5: Solve for x
    x = 4,822,670,415.73/74,019.26
  6. Step 6: Final answer
    x = 65,154.26

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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.