Home / 105,933.30-158,799.06-39,327.78

Finding the Fourth Proportional to 105,933.30, 158,799.06 and 39,327.78

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Solution

The fourth proportional to 105,933.30, 158,799.06 and 39,327.78 is: 58,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,933.30 : 158,799.06 = 39,327.78 : x
  2. Step 2: Convert to fraction form
    105,933.30/158,799.06 = 39,327.78/x
  3. Step 3: Cross multiply
    105,933.30x = 158,799.06 × 39,327.78
  4. Step 4: Simplify right side
    105,933.30x = 6,245,214,495.89
  5. Step 5: Solve for x
    x = 6,245,214,495.89/105,933.30
  6. Step 6: Final answer
    x = 58,954.21

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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.