Home / 105,450.43-158,171.02-30,568.94

Finding the Fourth Proportional to 105,450.43, 158,171.02 and 30,568.94

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Solution

The fourth proportional to 105,450.43, 158,171.02 and 30,568.94 is: 45,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,450.43 : 158,171.02 = 30,568.94 : x
  2. Step 2: Convert to fraction form
    105,450.43/158,171.02 = 30,568.94/x
  3. Step 3: Cross multiply
    105,450.43x = 158,171.02 × 30,568.94
  4. Step 4: Simplify right side
    105,450.43x = 4,835,120,420.12
  5. Step 5: Solve for x
    x = 4,835,120,420.12/105,450.43
  6. Step 6: Final answer
    x = 45,852.07

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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.