Home / 90,697.15-136,046.05-27,517.81

Finding the Fourth Proportional to 90,697.15, 136,046.05 and 27,517.81

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Solution

The fourth proportional to 90,697.15, 136,046.05 and 27,517.81 is: 41,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,697.15 : 136,046.05 = 27,517.81 : x
  2. Step 2: Convert to fraction form
    90,697.15/136,046.05 = 27,517.81/x
  3. Step 3: Cross multiply
    90,697.15x = 136,046.05 × 27,517.81
  4. Step 4: Simplify right side
    90,697.15x = 3,743,689,355.15
  5. Step 5: Solve for x
    x = 3,743,689,355.15/90,697.15
  6. Step 6: Final answer
    x = 41,276.81

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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.