Home / 68,289.56-102,433.32-41,643.38

Finding the Fourth Proportional to 68,289.56, 102,433.32 and 41,643.38

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Solution

The fourth proportional to 68,289.56, 102,433.32 and 41,643.38 is: 62,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,289.56 : 102,433.32 = 41,643.38 : x
  2. Step 2: Convert to fraction form
    68,289.56/102,433.32 = 41,643.38/x
  3. Step 3: Cross multiply
    68,289.56x = 102,433.32 × 41,643.38
  4. Step 4: Simplify right side
    68,289.56x = 4,265,669,669.42
  5. Step 5: Solve for x
    x = 4,265,669,669.42/68,289.56
  6. Step 6: Final answer
    x = 62,464.45

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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.