Home / 105,645.24-158,459.88-39,054.24

Finding the Fourth Proportional to 105,645.24, 158,459.88 and 39,054.24

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Solution

The fourth proportional to 105,645.24, 158,459.88 and 39,054.24 is: 58,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,645.24 : 158,459.88 = 39,054.24 : x
  2. Step 2: Convert to fraction form
    105,645.24/158,459.88 = 39,054.24/x
  3. Step 3: Cross multiply
    105,645.24x = 158,459.88 × 39,054.24
  4. Step 4: Simplify right side
    105,645.24x = 6,188,530,183.89
  5. Step 5: Solve for x
    x = 6,188,530,183.89/105,645.24
  6. Step 6: Final answer
    x = 58,578.41

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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.