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Finding the Fourth Proportional to 65,484.59, 90,297.20 and 44,226.95

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Solution

The fourth proportional to 65,484.59, 90,297.20 and 44,226.95 is: 60,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,484.59 : 90,297.20 = 44,226.95 : x
  2. Step 2: Convert to fraction form
    65,484.59/90,297.20 = 44,226.95/x
  3. Step 3: Cross multiply
    65,484.59x = 90,297.20 × 44,226.95
  4. Step 4: Simplify right side
    65,484.59x = 3,993,569,408.62
  5. Step 5: Solve for x
    x = 3,993,569,408.62/65,484.59
  6. Step 6: Final answer
    x = 60,984.88

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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.