Home / 81,626.66-122,487.26-34,237.53

Finding the Fourth Proportional to 81,626.66, 122,487.26 and 34,237.53

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Solution

The fourth proportional to 81,626.66, 122,487.26 and 34,237.53 is: 51,376.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,626.66 : 122,487.26 = 34,237.53 : x
  2. Step 2: Convert to fraction form
    81,626.66/122,487.26 = 34,237.53/x
  3. Step 3: Cross multiply
    81,626.66x = 122,487.26 × 34,237.53
  4. Step 4: Simplify right side
    81,626.66x = 4,193,661,238.87
  5. Step 5: Solve for x
    x = 4,193,661,238.87/81,626.66
  6. Step 6: Final answer
    x = 51,376.12

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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.