Home / 90,609.09-125,040.83-50,322.85

Finding the Fourth Proportional to 90,609.09, 125,040.83 and 50,322.85

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Solution

The fourth proportional to 90,609.09, 125,040.83 and 50,322.85 is: 69,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,609.09 : 125,040.83 = 50,322.85 : x
  2. Step 2: Convert to fraction form
    90,609.09/125,040.83 = 50,322.85/x
  3. Step 3: Cross multiply
    90,609.09x = 125,040.83 × 50,322.85
  4. Step 4: Simplify right side
    90,609.09x = 6,292,410,432.57
  5. Step 5: Solve for x
    x = 6,292,410,432.57/90,609.09
  6. Step 6: Final answer
    x = 69,445.69

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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.