Home / 74,108-111,192.81-29,766.20

Finding the Fourth Proportional to 74,108, 111,192.81 and 29,766.20

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Solution

The fourth proportional to 74,108, 111,192.81 and 29,766.20 is: 44,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,108 : 111,192.81 = 29,766.20 : x
  2. Step 2: Convert to fraction form
    74,108/111,192.81 = 29,766.20/x
  3. Step 3: Cross multiply
    74,108x = 111,192.81 × 29,766.20
  4. Step 4: Simplify right side
    74,108x = 3,309,787,421.02
  5. Step 5: Solve for x
    x = 3,309,787,421.02/74,108
  6. Step 6: Final answer
    x = 44,661.68

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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.