Home / 45,850.79-68,776.44-20,873.37

Finding the Fourth Proportional to 45,850.79, 68,776.44 and 20,873.37

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Solution

The fourth proportional to 45,850.79, 68,776.44 and 20,873.37 is: 31,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,850.79 : 68,776.44 = 20,873.37 : x
  2. Step 2: Convert to fraction form
    45,850.79/68,776.44 = 20,873.37/x
  3. Step 3: Cross multiply
    45,850.79x = 68,776.44 × 20,873.37
  4. Step 4: Simplify right side
    45,850.79x = 1,435,596,079.40
  5. Step 5: Solve for x
    x = 1,435,596,079.40/45,850.79
  6. Step 6: Final answer
    x = 31,310.17

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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.