Home / 90,572.58-124,984.38-50,286.33

Finding the Fourth Proportional to 90,572.58, 124,984.38 and 50,286.33

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Solution

The fourth proportional to 90,572.58, 124,984.38 and 50,286.33 is: 69,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,572.58 : 124,984.38 = 50,286.33 : x
  2. Step 2: Convert to fraction form
    90,572.58/124,984.38 = 50,286.33/x
  3. Step 3: Cross multiply
    90,572.58x = 124,984.38 × 50,286.33
  4. Step 4: Simplify right side
    90,572.58x = 6,285,006,434.79
  5. Step 5: Solve for x
    x = 6,285,006,434.79/90,572.58
  6. Step 6: Final answer
    x = 69,391.93

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Half scale
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Double scale
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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.