Home / 105,906.90-158,882.20-31,029.48

Finding the Fourth Proportional to 105,906.90, 158,882.20 and 31,029.48

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Solution

The fourth proportional to 105,906.90, 158,882.20 and 31,029.48 is: 46,550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,906.90 : 158,882.20 = 31,029.48 : x
  2. Step 2: Convert to fraction form
    105,906.90/158,882.20 = 31,029.48/x
  3. Step 3: Cross multiply
    105,906.90x = 158,882.20 × 31,029.48
  4. Step 4: Simplify right side
    105,906.90x = 4,930,032,047.26
  5. Step 5: Solve for x
    x = 4,930,032,047.26/105,906.90
  6. Step 6: Final answer
    x = 46,550.62

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1.5x scale

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.