Home / 87,927.89-121,337.66-50,202.14

Finding the Fourth Proportional to 87,927.89, 121,337.66 and 50,202.14

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Solution

The fourth proportional to 87,927.89, 121,337.66 and 50,202.14 is: 69,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,927.89 : 121,337.66 = 50,202.14 : x
  2. Step 2: Convert to fraction form
    87,927.89/121,337.66 = 50,202.14/x
  3. Step 3: Cross multiply
    87,927.89x = 121,337.66 × 50,202.14
  4. Step 4: Simplify right side
    87,927.89x = 6,091,409,336.89
  5. Step 5: Solve for x
    x = 6,091,409,336.89/87,927.89
  6. Step 6: Final answer
    x = 69,277.33

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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.