Home / 90,819.57-125,331.62-50,535.03

Finding the Fourth Proportional to 90,819.57, 125,331.62 and 50,535.03

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Solution

The fourth proportional to 90,819.57, 125,331.62 and 50,535.03 is: 69,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,819.57 : 125,331.62 = 50,535.03 : x
  2. Step 2: Convert to fraction form
    90,819.57/125,331.62 = 50,535.03/x
  3. Step 3: Cross multiply
    90,819.57x = 125,331.62 × 50,535.03
  4. Step 4: Simplify right side
    90,819.57x = 6,333,636,923.97
  5. Step 5: Solve for x
    x = 6,333,636,923.97/90,819.57
  6. Step 6: Final answer
    x = 69,738.68

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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.