Home / 99,258.41-136,921.14-60,991.37

Finding the Fourth Proportional to 99,258.41, 136,921.14 and 60,991.37

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Solution

The fourth proportional to 99,258.41, 136,921.14 and 60,991.37 is: 84,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,258.41 : 136,921.14 = 60,991.37 : x
  2. Step 2: Convert to fraction form
    99,258.41/136,921.14 = 60,991.37/x
  3. Step 3: Cross multiply
    99,258.41x = 136,921.14 × 60,991.37
  4. Step 4: Simplify right side
    99,258.41x = 8,351,007,910.56
  5. Step 5: Solve for x
    x = 8,351,007,910.56/99,258.41
  6. Step 6: Final answer
    x = 84,134.01

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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.