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Finding the Fourth Proportional to 74,408.20, 111,612.30 and 44,810.80

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Solution

The fourth proportional to 74,408.20, 111,612.30 and 44,810.80 is: 67,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,408.20 : 111,612.30 = 44,810.80 : x
  2. Step 2: Convert to fraction form
    74,408.20/111,612.30 = 44,810.80/x
  3. Step 3: Cross multiply
    74,408.20x = 111,612.30 × 44,810.80
  4. Step 4: Simplify right side
    74,408.20x = 5,001,436,452.84
  5. Step 5: Solve for x
    x = 5,001,436,452.84/74,408.20
  6. Step 6: Final answer
    x = 67,216.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.