Home / 103,632.96-155,449.44-68,564.41

Finding the Fourth Proportional to 103,632.96, 155,449.44 and 68,564.41

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Solution

The fourth proportional to 103,632.96, 155,449.44 and 68,564.41 is: 102,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.96 : 155,449.44 = 68,564.41 : x
  2. Step 2: Convert to fraction form
    103,632.96/155,449.44 = 68,564.41/x
  3. Step 3: Cross multiply
    103,632.96x = 155,449.44 × 68,564.41
  4. Step 4: Simplify right side
    103,632.96x = 10,658,299,138.43
  5. Step 5: Solve for x
    x = 10,658,299,138.43/103,632.96
  6. Step 6: Final answer
    x = 102,846.62

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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.