Home / 109,472.44-151,072.18-61,725.68

Finding the Fourth Proportional to 109,472.44, 151,072.18 and 61,725.68

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Solution

The fourth proportional to 109,472.44, 151,072.18 and 61,725.68 is: 85,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,472.44 : 151,072.18 = 61,725.68 : x
  2. Step 2: Convert to fraction form
    109,472.44/151,072.18 = 61,725.68/x
  3. Step 3: Cross multiply
    109,472.44x = 151,072.18 × 61,725.68
  4. Step 4: Simplify right side
    109,472.44x = 9,325,033,039.58
  5. Step 5: Solve for x
    x = 9,325,033,039.58/109,472.44
  6. Step 6: Final answer
    x = 85,181.56

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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.