Home / 87,838.56-121,185.72-50,090.94

Finding the Fourth Proportional to 87,838.56, 121,185.72 and 50,090.94

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Solution

The fourth proportional to 87,838.56, 121,185.72 and 50,090.94 is: 69,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,838.56 : 121,185.72 = 50,090.94 : x
  2. Step 2: Convert to fraction form
    87,838.56/121,185.72 = 50,090.94/x
  3. Step 3: Cross multiply
    87,838.56x = 121,185.72 × 50,090.94
  4. Step 4: Simplify right side
    87,838.56x = 6,070,306,629.38
  5. Step 5: Solve for x
    x = 6,070,306,629.38/87,838.56
  6. Step 6: Final answer
    x = 69,107.54

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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.