Home / 87,791.00-121,151.43-49,558.59

Finding the Fourth Proportional to 87,791.00, 121,151.43 and 49,558.59

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Solution

The fourth proportional to 87,791.00, 121,151.43 and 49,558.59 is: 68,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,791.00 : 121,151.43 = 49,558.59 : x
  2. Step 2: Convert to fraction form
    87,791.00/121,151.43 = 49,558.59/x
  3. Step 3: Cross multiply
    87,791.00x = 121,151.43 × 49,558.59
  4. Step 4: Simplify right side
    87,791.00x = 6,004,094,047.28
  5. Step 5: Solve for x
    x = 6,004,094,047.28/87,791.00
  6. Step 6: Final answer
    x = 68,390.77

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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.