Home / 81,372.63-122,052.87-25,213.17

Finding the Fourth Proportional to 81,372.63, 122,052.87 and 25,213.17

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Solution

The fourth proportional to 81,372.63, 122,052.87 and 25,213.17 is: 37,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,372.63 : 122,052.87 = 25,213.17 : x
  2. Step 2: Convert to fraction form
    81,372.63/122,052.87 = 25,213.17/x
  3. Step 3: Cross multiply
    81,372.63x = 122,052.87 × 25,213.17
  4. Step 4: Simplify right side
    81,372.63x = 3,077,340,312.55
  5. Step 5: Solve for x
    x = 3,077,340,312.55/81,372.63
  6. Step 6: Final answer
    x = 37,817.88

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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.