Home / 83,431.38-125,137.35-33,509.46

Finding the Fourth Proportional to 83,431.38, 125,137.35 and 33,509.46

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Solution

The fourth proportional to 83,431.38, 125,137.35 and 33,509.46 is: 50,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,431.38 : 125,137.35 = 33,509.46 : x
  2. Step 2: Convert to fraction form
    83,431.38/125,137.35 = 33,509.46/x
  3. Step 3: Cross multiply
    83,431.38x = 125,137.35 × 33,509.46
  4. Step 4: Simplify right side
    83,431.38x = 4,193,285,024.33
  5. Step 5: Solve for x
    x = 4,193,285,024.33/83,431.38
  6. Step 6: Final answer
    x = 50,260.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.