Home / 74,724.30-112,108.05-22,134.78

Finding the Fourth Proportional to 74,724.30, 112,108.05 and 22,134.78

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Solution

The fourth proportional to 74,724.30, 112,108.05 and 22,134.78 is: 33,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724.30 : 112,108.05 = 22,134.78 : x
  2. Step 2: Convert to fraction form
    74,724.30/112,108.05 = 22,134.78/x
  3. Step 3: Cross multiply
    74,724.30x = 112,108.05 × 22,134.78
  4. Step 4: Simplify right side
    74,724.30x = 2,481,487,022.98
  5. Step 5: Solve for x
    x = 2,481,487,022.98/74,724.30
  6. Step 6: Final answer
    x = 33,208.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.