Home / 90,859.37-125,385.91-50,572.26

Finding the Fourth Proportional to 90,859.37, 125,385.91 and 50,572.26

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Solution

The fourth proportional to 90,859.37, 125,385.91 and 50,572.26 is: 69,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,859.37 : 125,385.91 = 50,572.26 : x
  2. Step 2: Convert to fraction form
    90,859.37/125,385.91 = 50,572.26/x
  3. Step 3: Cross multiply
    90,859.37x = 125,385.91 × 50,572.26
  4. Step 4: Simplify right side
    90,859.37x = 6,341,048,433.87
  5. Step 5: Solve for x
    x = 6,341,048,433.87/90,859.37
  6. Step 6: Final answer
    x = 69,789.71

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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.