Home / 89,913.44-124,083.63-51,680.09

Finding the Fourth Proportional to 89,913.44, 124,083.63 and 51,680.09

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Solution

The fourth proportional to 89,913.44, 124,083.63 and 51,680.09 is: 71,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,913.44 : 124,083.63 = 51,680.09 : x
  2. Step 2: Convert to fraction form
    89,913.44/124,083.63 = 51,680.09/x
  3. Step 3: Cross multiply
    89,913.44x = 124,083.63 × 51,680.09
  4. Step 4: Simplify right side
    89,913.44x = 6,412,653,476.14
  5. Step 5: Solve for x
    x = 6,412,653,476.14/89,913.44
  6. Step 6: Final answer
    x = 71,320.30

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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.