Home / 90,610.40-125,046.51-50,324.34

Finding the Fourth Proportional to 90,610.40, 125,046.51 and 50,324.34

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Solution

The fourth proportional to 90,610.40, 125,046.51 and 50,324.34 is: 69,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,610.40 : 125,046.51 = 50,324.34 : x
  2. Step 2: Convert to fraction form
    90,610.40/125,046.51 = 50,324.34/x
  3. Step 3: Cross multiply
    90,610.40x = 125,046.51 × 50,324.34
  4. Step 4: Simplify right side
    90,610.40x = 6,292,883,085.05
  5. Step 5: Solve for x
    x = 6,292,883,085.05/90,610.40
  6. Step 6: Final answer
    x = 69,449.90

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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.