Home / 47,418.94-71,128.41-14,162.36

Finding the Fourth Proportional to 47,418.94, 71,128.41 and 14,162.36

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Solution

The fourth proportional to 47,418.94, 71,128.41 and 14,162.36 is: 21,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,418.94 : 71,128.41 = 14,162.36 : x
  2. Step 2: Convert to fraction form
    47,418.94/71,128.41 = 14,162.36/x
  3. Step 3: Cross multiply
    47,418.94x = 71,128.41 × 14,162.36
  4. Step 4: Simplify right side
    47,418.94x = 1,007,346,077.84
  5. Step 5: Solve for x
    x = 1,007,346,077.84/47,418.94
  6. Step 6: Final answer
    x = 21,243.54

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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.