Home / 90,447.93-124,825.62-50,174.68

Finding the Fourth Proportional to 90,447.93, 124,825.62 and 50,174.68

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Solution

The fourth proportional to 90,447.93, 124,825.62 and 50,174.68 is: 69,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,447.93 : 124,825.62 = 50,174.68 : x
  2. Step 2: Convert to fraction form
    90,447.93/124,825.62 = 50,174.68/x
  3. Step 3: Cross multiply
    90,447.93x = 124,825.62 × 50,174.68
  4. Step 4: Simplify right side
    90,447.93x = 6,263,084,664.30
  5. Step 5: Solve for x
    x = 6,263,084,664.30/90,447.93
  6. Step 6: Final answer
    x = 69,245.20

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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.