Home / 81,532.17-122,317.16-25,369.34

Finding the Fourth Proportional to 81,532.17, 122,317.16 and 25,369.34

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Solution

The fourth proportional to 81,532.17, 122,317.16 and 25,369.34 is: 38,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,532.17 : 122,317.16 = 25,369.34 : x
  2. Step 2: Convert to fraction form
    81,532.17/122,317.16 = 25,369.34/x
  3. Step 3: Cross multiply
    81,532.17x = 122,317.16 × 25,369.34
  4. Step 4: Simplify right side
    81,532.17x = 3,103,104,881.44
  5. Step 5: Solve for x
    x = 3,103,104,881.44/81,532.17
  6. Step 6: Final answer
    x = 38,059.88

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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.