Home / 74,732.49-112,100.90-27,976.41

Finding the Fourth Proportional to 74,732.49, 112,100.90 and 27,976.41

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Solution

The fourth proportional to 74,732.49, 112,100.90 and 27,976.41 is: 41,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,732.49 : 112,100.90 = 27,976.41 : x
  2. Step 2: Convert to fraction form
    74,732.49/112,100.90 = 27,976.41/x
  3. Step 3: Cross multiply
    74,732.49x = 112,100.90 × 27,976.41
  4. Step 4: Simplify right side
    74,732.49x = 3,136,180,599.89
  5. Step 5: Solve for x
    x = 3,136,180,599.89/74,732.49
  6. Step 6: Final answer
    x = 41,965.42

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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.