Home / 103,627.67-155,441.49-68,559.14

Finding the Fourth Proportional to 103,627.67, 155,441.49 and 68,559.14

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Solution

The fourth proportional to 103,627.67, 155,441.49 and 68,559.14 is: 102,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.67 : 155,441.49 = 68,559.14 : x
  2. Step 2: Convert to fraction form
    103,627.67/155,441.49 = 68,559.14/x
  3. Step 3: Cross multiply
    103,627.67x = 155,441.49 × 68,559.14
  4. Step 4: Simplify right side
    103,627.67x = 10,656,934,874.72
  5. Step 5: Solve for x
    x = 10,656,934,874.72/103,627.67
  6. Step 6: Final answer
    x = 102,838.70

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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.