Home / 90,655.22-136,007.44-27,472.79

Finding the Fourth Proportional to 90,655.22, 136,007.44 and 27,472.79

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Solution

The fourth proportional to 90,655.22, 136,007.44 and 27,472.79 is: 41,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,655.22 : 136,007.44 = 27,472.79 : x
  2. Step 2: Convert to fraction form
    90,655.22/136,007.44 = 27,472.79/x
  3. Step 3: Cross multiply
    90,655.22x = 136,007.44 × 27,472.79
  4. Step 4: Simplify right side
    90,655.22x = 3,736,504,108.89
  5. Step 5: Solve for x
    x = 3,736,504,108.89/90,655.22
  6. Step 6: Final answer
    x = 41,216.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.