Home / 74,354.57-111,531.92-61,179.24

Finding the Fourth Proportional to 74,354.57, 111,531.92 and 61,179.24

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Solution

The fourth proportional to 74,354.57, 111,531.92 and 61,179.24 is: 91,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354.57 : 111,531.92 = 61,179.24 : x
  2. Step 2: Convert to fraction form
    74,354.57/111,531.92 = 61,179.24/x
  3. Step 3: Cross multiply
    74,354.57x = 111,531.92 × 61,179.24
  4. Step 4: Simplify right side
    74,354.57x = 6,823,438,024.87
  5. Step 5: Solve for x
    x = 6,823,438,024.87/74,354.57
  6. Step 6: Final answer
    x = 91,768.92

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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.