Home / 100,825.56-151,260.84-30,710.28

Finding the Fourth Proportional to 100,825.56, 151,260.84 and 30,710.28

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Solution

The fourth proportional to 100,825.56, 151,260.84 and 30,710.28 is: 46,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,825.56 : 151,260.84 = 30,710.28 : x
  2. Step 2: Convert to fraction form
    100,825.56/151,260.84 = 30,710.28/x
  3. Step 3: Cross multiply
    100,825.56x = 151,260.84 × 30,710.28
  4. Step 4: Simplify right side
    100,825.56x = 4,645,262,749.44
  5. Step 5: Solve for x
    x = 4,645,262,749.44/100,825.56
  6. Step 6: Final answer
    x = 46,072.27

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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.