Home / 105,961.44-158,907.06-42,765.24

Finding the Fourth Proportional to 105,961.44, 158,907.06 and 42,765.24

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Solution

The fourth proportional to 105,961.44, 158,907.06 and 42,765.24 is: 64,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,961.44 : 158,907.06 = 42,765.24 : x
  2. Step 2: Convert to fraction form
    105,961.44/158,907.06 = 42,765.24/x
  3. Step 3: Cross multiply
    105,961.44x = 158,907.06 × 42,765.24
  4. Step 4: Simplify right side
    105,961.44x = 6,795,698,558.59
  5. Step 5: Solve for x
    x = 6,795,698,558.59/105,961.44
  6. Step 6: Final answer
    x = 64,133.69

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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.