Home / 90,727.80-136,092.00-27,548.45

Finding the Fourth Proportional to 90,727.80, 136,092.00 and 27,548.45

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Solution

The fourth proportional to 90,727.80, 136,092.00 and 27,548.45 is: 41,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,727.80 : 136,092.00 = 27,548.45 : x
  2. Step 2: Convert to fraction form
    90,727.80/136,092.00 = 27,548.45/x
  3. Step 3: Cross multiply
    90,727.80x = 136,092.00 × 27,548.45
  4. Step 4: Simplify right side
    90,727.80x = 3,749,124,201.15
  5. Step 5: Solve for x
    x = 3,749,124,201.15/90,727.80
  6. Step 6: Final answer
    x = 41,322.77

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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.