Home / 112,747.56-155,537.22-74,522.04

Finding the Fourth Proportional to 112,747.56, 155,537.22 and 74,522.04

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Solution

The fourth proportional to 112,747.56, 155,537.22 and 74,522.04 is: 102,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,747.56 : 155,537.22 = 74,522.04 : x
  2. Step 2: Convert to fraction form
    112,747.56/155,537.22 = 74,522.04/x
  3. Step 3: Cross multiply
    112,747.56x = 155,537.22 × 74,522.04
  4. Step 4: Simplify right side
    112,747.56x = 11,590,950,930.33
  5. Step 5: Solve for x
    x = 11,590,950,930.33/112,747.56
  6. Step 6: Final answer
    x = 102,804.45

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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.