Home / 90,579.21-125,003.22-50,292.97

Finding the Fourth Proportional to 90,579.21, 125,003.22 and 50,292.97

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Solution

The fourth proportional to 90,579.21, 125,003.22 and 50,292.97 is: 69,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,579.21 : 125,003.22 = 50,292.97 : x
  2. Step 2: Convert to fraction form
    90,579.21/125,003.22 = 50,292.97/x
  3. Step 3: Cross multiply
    90,579.21x = 125,003.22 × 50,292.97
  4. Step 4: Simplify right side
    90,579.21x = 6,286,783,193.36
  5. Step 5: Solve for x
    x = 6,286,783,193.36/90,579.21
  6. Step 6: Final answer
    x = 69,406.47

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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.