Home / 81,650.14-122,475.21-25,495.06

Finding the Fourth Proportional to 81,650.14, 122,475.21 and 25,495.06

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Solution

The fourth proportional to 81,650.14, 122,475.21 and 25,495.06 is: 38,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650.14 : 122,475.21 = 25,495.06 : x
  2. Step 2: Convert to fraction form
    81,650.14/122,475.21 = 25,495.06/x
  3. Step 3: Cross multiply
    81,650.14x = 122,475.21 × 25,495.06
  4. Step 4: Simplify right side
    81,650.14x = 3,122,512,525.96
  5. Step 5: Solve for x
    x = 3,122,512,525.96/81,650.14
  6. Step 6: Final answer
    x = 38,242.59

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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.