Home / 106,121.37-146,445.93-58,371.87

Finding the Fourth Proportional to 106,121.37, 146,445.93 and 58,371.87

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Solution

The fourth proportional to 106,121.37, 146,445.93 and 58,371.87 is: 80,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,121.37 : 146,445.93 = 58,371.87 : x
  2. Step 2: Convert to fraction form
    106,121.37/146,445.93 = 58,371.87/x
  3. Step 3: Cross multiply
    106,121.37x = 146,445.93 × 58,371.87
  4. Step 4: Simplify right side
    106,121.37x = 8,548,322,787.99
  5. Step 5: Solve for x
    x = 8,548,322,787.99/106,121.37
  6. Step 6: Final answer
    x = 80,552.32

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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.