Home / 89,976.36-124,182.57-52,272.48

Finding the Fourth Proportional to 89,976.36, 124,182.57 and 52,272.48

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Solution

The fourth proportional to 89,976.36, 124,182.57 and 52,272.48 is: 72,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,976.36 : 124,182.57 = 52,272.48 : x
  2. Step 2: Convert to fraction form
    89,976.36/124,182.57 = 52,272.48/x
  3. Step 3: Cross multiply
    89,976.36x = 124,182.57 × 52,272.48
  4. Step 4: Simplify right side
    89,976.36x = 6,491,330,906.67
  5. Step 5: Solve for x
    x = 6,491,330,906.67/89,976.36
  6. Step 6: Final answer
    x = 72,144.85

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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.