Home / 90,610.75-125,039.37-50,327.08

Finding the Fourth Proportional to 90,610.75, 125,039.37 and 50,327.08

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Solution

The fourth proportional to 90,610.75, 125,039.37 and 50,327.08 is: 69,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,610.75 : 125,039.37 = 50,327.08 : x
  2. Step 2: Convert to fraction form
    90,610.75/125,039.37 = 50,327.08/x
  3. Step 3: Cross multiply
    90,610.75x = 125,039.37 × 50,327.08
  4. Step 4: Simplify right side
    90,610.75x = 6,292,866,377.14
  5. Step 5: Solve for x
    x = 6,292,866,377.14/90,610.75
  6. Step 6: Final answer
    x = 69,449.45

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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.