Home / 90,764.75-125,261.42-50,485.68

Finding the Fourth Proportional to 90,764.75, 125,261.42 and 50,485.68

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Solution

The fourth proportional to 90,764.75, 125,261.42 and 50,485.68 is: 69,673.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,764.75 : 125,261.42 = 50,485.68 : x
  2. Step 2: Convert to fraction form
    90,764.75/125,261.42 = 50,485.68/x
  3. Step 3: Cross multiply
    90,764.75x = 125,261.42 × 50,485.68
  4. Step 4: Simplify right side
    90,764.75x = 6,323,907,340.16
  5. Step 5: Solve for x
    x = 6,323,907,340.16/90,764.75
  6. Step 6: Final answer
    x = 69,673.61

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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.