Home / 106,429.84-146,879.79-58,683.11

Finding the Fourth Proportional to 106,429.84, 146,879.79 and 58,683.11

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Solution

The fourth proportional to 106,429.84, 146,879.79 and 58,683.11 is: 80,986.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,429.84 : 146,879.79 = 58,683.11 : x
  2. Step 2: Convert to fraction form
    106,429.84/146,879.79 = 58,683.11/x
  3. Step 3: Cross multiply
    106,429.84x = 146,879.79 × 58,683.11
  4. Step 4: Simplify right side
    106,429.84x = 8,619,362,873.35
  5. Step 5: Solve for x
    x = 8,619,362,873.35/106,429.84
  6. Step 6: Final answer
    x = 80,986.34

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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.