Home / 68,448.15-102,647.32-26,306.48

Finding the Fourth Proportional to 68,448.15, 102,647.32 and 26,306.48

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Solution

The fourth proportional to 68,448.15, 102,647.32 and 26,306.48 is: 39,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,448.15 : 102,647.32 = 26,306.48 : x
  2. Step 2: Convert to fraction form
    68,448.15/102,647.32 = 26,306.48/x
  3. Step 3: Cross multiply
    68,448.15x = 102,647.32 × 26,306.48
  4. Step 4: Simplify right side
    68,448.15x = 2,700,289,861.49
  5. Step 5: Solve for x
    x = 2,700,289,861.49/68,448.15
  6. Step 6: Final answer
    x = 39,450.15

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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.