Home / 103,627.96-155,441.94-68,559.41

Finding the Fourth Proportional to 103,627.96, 155,441.94 and 68,559.41

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Solution

The fourth proportional to 103,627.96, 155,441.94 and 68,559.41 is: 102,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.96 : 155,441.94 = 68,559.41 : x
  2. Step 2: Convert to fraction form
    103,627.96/155,441.94 = 68,559.41/x
  3. Step 3: Cross multiply
    103,627.96x = 155,441.94 × 68,559.41
  4. Step 4: Simplify right side
    103,627.96x = 10,657,007,695.66
  5. Step 5: Solve for x
    x = 10,657,007,695.66/103,627.96
  6. Step 6: Final answer
    x = 102,839.12

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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.