Home / 90,183.00-124,422.32-51,941.79

Finding the Fourth Proportional to 90,183.00, 124,422.32 and 51,941.79

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Solution

The fourth proportional to 90,183.00, 124,422.32 and 51,941.79 is: 71,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,183.00 : 124,422.32 = 51,941.79 : x
  2. Step 2: Convert to fraction form
    90,183.00/124,422.32 = 51,941.79/x
  3. Step 3: Cross multiply
    90,183.00x = 124,422.32 × 51,941.79
  4. Step 4: Simplify right side
    90,183.00x = 6,462,717,796.67
  5. Step 5: Solve for x
    x = 6,462,717,796.67/90,183.00
  6. Step 6: Final answer
    x = 71,662.26

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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.