Home / 68,605.45-102,801.94-47,586.35

Finding the Fourth Proportional to 68,605.45, 102,801.94 and 47,586.35

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Solution

The fourth proportional to 68,605.45, 102,801.94 and 47,586.35 is: 71,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,605.45 : 102,801.94 = 47,586.35 : x
  2. Step 2: Convert to fraction form
    68,605.45/102,801.94 = 47,586.35/x
  3. Step 3: Cross multiply
    68,605.45x = 102,801.94 × 47,586.35
  4. Step 4: Simplify right side
    68,605.45x = 4,891,969,097.52
  5. Step 5: Solve for x
    x = 4,891,969,097.52/68,605.45
  6. Step 6: Final answer
    x = 71,305.84

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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.