Home / 61,187.36-91,789.79-27,031.17

Finding the Fourth Proportional to 61,187.36, 91,789.79 and 27,031.17

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Solution

The fourth proportional to 61,187.36, 91,789.79 and 27,031.17 is: 40,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,187.36 : 91,789.79 = 27,031.17 : x
  2. Step 2: Convert to fraction form
    61,187.36/91,789.79 = 27,031.17/x
  3. Step 3: Cross multiply
    61,187.36x = 91,789.79 × 27,031.17
  4. Step 4: Simplify right side
    61,187.36x = 2,481,185,778.86
  5. Step 5: Solve for x
    x = 2,481,185,778.86/61,187.36
  6. Step 6: Final answer
    x = 40,550.63

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1.5x scale

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.