Home / 90,676.87-125,137.23-50,392.33

Finding the Fourth Proportional to 90,676.87, 125,137.23 and 50,392.33

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Solution

The fourth proportional to 90,676.87, 125,137.23 and 50,392.33 is: 69,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,676.87 : 125,137.23 = 50,392.33 : x
  2. Step 2: Convert to fraction form
    90,676.87/125,137.23 = 50,392.33/x
  3. Step 3: Cross multiply
    90,676.87x = 125,137.23 × 50,392.33
  4. Step 4: Simplify right side
    90,676.87x = 6,305,956,589.45
  5. Step 5: Solve for x
    x = 6,305,956,589.45/90,676.87
  6. Step 6: Final answer
    x = 69,543.17

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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.