Home / 106,431.84-146,876.56-58,684.40

Finding the Fourth Proportional to 106,431.84, 146,876.56 and 58,684.40

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Solution

The fourth proportional to 106,431.84, 146,876.56 and 58,684.40 is: 80,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,431.84 : 146,876.56 = 58,684.40 : x
  2. Step 2: Convert to fraction form
    106,431.84/146,876.56 = 58,684.40/x
  3. Step 3: Cross multiply
    106,431.84x = 146,876.56 × 58,684.40
  4. Step 4: Simplify right side
    106,431.84x = 8,619,362,797.66
  5. Step 5: Solve for x
    x = 8,619,362,797.66/106,431.84
  6. Step 6: Final answer
    x = 80,984.81

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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.