Home / 105,811.26-158,744.22-39,270.36

Finding the Fourth Proportional to 105,811.26, 158,744.22 and 39,270.36

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Solution

The fourth proportional to 105,811.26, 158,744.22 and 39,270.36 is: 58,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,811.26 : 158,744.22 = 39,270.36 : x
  2. Step 2: Convert to fraction form
    105,811.26/158,744.22 = 39,270.36/x
  3. Step 3: Cross multiply
    105,811.26x = 158,744.22 × 39,270.36
  4. Step 4: Simplify right side
    105,811.26x = 6,233,942,667.32
  5. Step 5: Solve for x
    x = 6,233,942,667.32/105,811.26
  6. Step 6: Final answer
    x = 58,915.68

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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.