Home / 81,625.16-122,485.01-34,236.03

Finding the Fourth Proportional to 81,625.16, 122,485.01 and 34,236.03

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Solution

The fourth proportional to 81,625.16, 122,485.01 and 34,236.03 is: 51,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,625.16 : 122,485.01 = 34,236.03 : x
  2. Step 2: Convert to fraction form
    81,625.16/122,485.01 = 34,236.03/x
  3. Step 3: Cross multiply
    81,625.16x = 122,485.01 × 34,236.03
  4. Step 4: Simplify right side
    81,625.16x = 4,193,400,305.73
  5. Step 5: Solve for x
    x = 4,193,400,305.73/81,625.16
  6. Step 6: Final answer
    x = 51,373.87

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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.