Home / 105,907.39-158,882.96-31,029.97

Finding the Fourth Proportional to 105,907.39, 158,882.96 and 31,029.97

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Solution

The fourth proportional to 105,907.39, 158,882.96 and 31,029.97 is: 46,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,907.39 : 158,882.96 = 31,029.97 : x
  2. Step 2: Convert to fraction form
    105,907.39/158,882.96 = 31,029.97/x
  3. Step 3: Cross multiply
    105,907.39x = 158,882.96 × 31,029.97
  4. Step 4: Simplify right side
    105,907.39x = 4,930,133,327.16
  5. Step 5: Solve for x
    x = 4,930,133,327.16/105,907.39
  6. Step 6: Final answer
    x = 46,551.36

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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.