Home / 112,270.92-154,933.50-61,969.56

Finding the Fourth Proportional to 112,270.92, 154,933.50 and 61,969.56

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Solution

The fourth proportional to 112,270.92, 154,933.50 and 61,969.56 is: 85,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,270.92 : 154,933.50 = 61,969.56 : x
  2. Step 2: Convert to fraction form
    112,270.92/154,933.50 = 61,969.56/x
  3. Step 3: Cross multiply
    112,270.92x = 154,933.50 × 61,969.56
  4. Step 4: Simplify right side
    112,270.92x = 9,601,160,824.26
  5. Step 5: Solve for x
    x = 9,601,160,824.26/112,270.92
  6. Step 6: Final answer
    x = 85,517.79

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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.