Home / 45,438.19-68,157.32-14,273.44

Finding the Fourth Proportional to 45,438.19, 68,157.32 and 14,273.44

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Solution

The fourth proportional to 45,438.19, 68,157.32 and 14,273.44 is: 21,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.19 : 68,157.32 = 14,273.44 : x
  2. Step 2: Convert to fraction form
    45,438.19/68,157.32 = 14,273.44/x
  3. Step 3: Cross multiply
    45,438.19x = 68,157.32 × 14,273.44
  4. Step 4: Simplify right side
    45,438.19x = 972,839,487.94
  5. Step 5: Solve for x
    x = 972,839,487.94/45,438.19
  6. Step 6: Final answer
    x = 21,410.17

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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.