Home / 89,919.68-124,086.48-51,685.52

Finding the Fourth Proportional to 89,919.68, 124,086.48 and 51,685.52

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Solution

The fourth proportional to 89,919.68, 124,086.48 and 51,685.52 is: 71,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.68 : 124,086.48 = 51,685.52 : x
  2. Step 2: Convert to fraction form
    89,919.68/124,086.48 = 51,685.52/x
  3. Step 3: Cross multiply
    89,919.68x = 124,086.48 × 51,685.52
  4. Step 4: Simplify right side
    89,919.68x = 6,413,474,243.77
  5. Step 5: Solve for x
    x = 6,413,474,243.77/89,919.68
  6. Step 6: Final answer
    x = 71,324.48

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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.