Home / 101,239.33-151,861.43-31,119.25

Finding the Fourth Proportional to 101,239.33, 151,861.43 and 31,119.25

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Solution

The fourth proportional to 101,239.33, 151,861.43 and 31,119.25 is: 46,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,239.33 : 151,861.43 = 31,119.25 : x
  2. Step 2: Convert to fraction form
    101,239.33/151,861.43 = 31,119.25/x
  3. Step 3: Cross multiply
    101,239.33x = 151,861.43 × 31,119.25
  4. Step 4: Simplify right side
    101,239.33x = 4,725,813,805.53
  5. Step 5: Solve for x
    x = 4,725,813,805.53/101,239.33
  6. Step 6: Final answer
    x = 46,679.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.