Home / 105,687.20-158,552.40-35,573.60

Finding the Fourth Proportional to 105,687.20, 158,552.40 and 35,573.60

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Solution

The fourth proportional to 105,687.20, 158,552.40 and 35,573.60 is: 53,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,687.20 : 158,552.40 = 35,573.60 : x
  2. Step 2: Convert to fraction form
    105,687.20/158,552.40 = 35,573.60/x
  3. Step 3: Cross multiply
    105,687.20x = 158,552.40 × 35,573.60
  4. Step 4: Simplify right side
    105,687.20x = 5,640,279,656.64
  5. Step 5: Solve for x
    x = 5,640,279,656.64/105,687.20
  6. Step 6: Final answer
    x = 53,367.67

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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.