Home / 74,772.49-112,141.44-22,169.29

Finding the Fourth Proportional to 74,772.49, 112,141.44 and 22,169.29

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Solution

The fourth proportional to 74,772.49, 112,141.44 and 22,169.29 is: 33,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,772.49 : 112,141.44 = 22,169.29 : x
  2. Step 2: Convert to fraction form
    74,772.49/112,141.44 = 22,169.29/x
  3. Step 3: Cross multiply
    74,772.49x = 112,141.44 × 22,169.29
  4. Step 4: Simplify right side
    74,772.49x = 2,486,096,104.38
  5. Step 5: Solve for x
    x = 2,486,096,104.38/74,772.49
  6. Step 6: Final answer
    x = 33,248.81

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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.