Home / 89,512.52-123,511.14-50,750.48

Finding the Fourth Proportional to 89,512.52, 123,511.14 and 50,750.48

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Solution

The fourth proportional to 89,512.52, 123,511.14 and 50,750.48 is: 70,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,512.52 : 123,511.14 = 50,750.48 : x
  2. Step 2: Convert to fraction form
    89,512.52/123,511.14 = 50,750.48/x
  3. Step 3: Cross multiply
    89,512.52x = 123,511.14 × 50,750.48
  4. Step 4: Simplify right side
    89,512.52x = 6,268,249,640.35
  5. Step 5: Solve for x
    x = 6,268,249,640.35/89,512.52
  6. Step 6: Final answer
    x = 70,026.51

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1.5x scale

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.