Home / 106,354.50-146,771.04-68,694.36

Finding the Fourth Proportional to 106,354.50, 146,771.04 and 68,694.36

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Solution

The fourth proportional to 106,354.50, 146,771.04 and 68,694.36 is: 94,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,354.50 : 146,771.04 = 68,694.36 : x
  2. Step 2: Convert to fraction form
    106,354.50/146,771.04 = 68,694.36/x
  3. Step 3: Cross multiply
    106,354.50x = 146,771.04 × 68,694.36
  4. Step 4: Simplify right side
    106,354.50x = 10,082,342,659.33
  5. Step 5: Solve for x
    x = 10,082,342,659.33/106,354.50
  6. Step 6: Final answer
    x = 94,799.40

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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.