Home / 105,965.85-158,917.06-34,875.36

Finding the Fourth Proportional to 105,965.85, 158,917.06 and 34,875.36

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Solution

The fourth proportional to 105,965.85, 158,917.06 and 34,875.36 is: 52,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,965.85 : 158,917.06 = 34,875.36 : x
  2. Step 2: Convert to fraction form
    105,965.85/158,917.06 = 34,875.36/x
  3. Step 3: Cross multiply
    105,965.85x = 158,917.06 × 34,875.36
  4. Step 4: Simplify right side
    105,965.85x = 5,542,289,819.32
  5. Step 5: Solve for x
    x = 5,542,289,819.32/105,965.85
  6. Step 6: Final answer
    x = 52,302.61

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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.