Home / 109,606.43-151,241.69-61,202.45

Finding the Fourth Proportional to 109,606.43, 151,241.69 and 61,202.45

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Solution

The fourth proportional to 109,606.43, 151,241.69 and 61,202.45 is: 84,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,606.43 : 151,241.69 = 61,202.45 : x
  2. Step 2: Convert to fraction form
    109,606.43/151,241.69 = 61,202.45/x
  3. Step 3: Cross multiply
    109,606.43x = 151,241.69 × 61,202.45
  4. Step 4: Simplify right side
    109,606.43x = 9,256,361,366.94
  5. Step 5: Solve for x
    x = 9,256,361,366.94/109,606.43
  6. Step 6: Final answer
    x = 84,450.90

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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.