Home / 105,564.44-158,362.10-30,674.85

Finding the Fourth Proportional to 105,564.44, 158,362.10 and 30,674.85

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Solution

The fourth proportional to 105,564.44, 158,362.10 and 30,674.85 is: 46,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,564.44 : 158,362.10 = 30,674.85 : x
  2. Step 2: Convert to fraction form
    105,564.44/158,362.10 = 30,674.85/x
  3. Step 3: Cross multiply
    105,564.44x = 158,362.10 × 30,674.85
  4. Step 4: Simplify right side
    105,564.44x = 4,857,734,239.70
  5. Step 5: Solve for x
    x = 4,857,734,239.70/105,564.44
  6. Step 6: Final answer
    x = 46,016.77

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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.