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Finding the Fourth Proportional to 65,522.59, 90,198.02 and 48,494.73

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Solution

The fourth proportional to 65,522.59, 90,198.02 and 48,494.73 is: 66,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,522.59 : 90,198.02 = 48,494.73 : x
  2. Step 2: Convert to fraction form
    65,522.59/90,198.02 = 48,494.73/x
  3. Step 3: Cross multiply
    65,522.59x = 90,198.02 × 48,494.73
  4. Step 4: Simplify right side
    65,522.59x = 4,374,129,085.91
  5. Step 5: Solve for x
    x = 4,374,129,085.91/65,522.59
  6. Step 6: Final answer
    x = 66,757.58

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1.5x scale

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.