Home / 89,814.21-123,943.56-51,576.26

Finding the Fourth Proportional to 89,814.21, 123,943.56 and 51,576.26

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Solution

The fourth proportional to 89,814.21, 123,943.56 and 51,576.26 is: 71,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814.21 : 123,943.56 = 51,576.26 : x
  2. Step 2: Convert to fraction form
    89,814.21/123,943.56 = 51,576.26/x
  3. Step 3: Cross multiply
    89,814.21x = 123,943.56 × 51,576.26
  4. Step 4: Simplify right side
    89,814.21x = 6,392,544,656.17
  5. Step 5: Solve for x
    x = 6,392,544,656.17/89,814.21
  6. Step 6: Final answer
    x = 71,175.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.