Home / 47,940.45-71,910.06-14,661.60

Finding the Fourth Proportional to 47,940.45, 71,910.06 and 14,661.60

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Solution

The fourth proportional to 47,940.45, 71,910.06 and 14,661.60 is: 21,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,940.45 : 71,910.06 = 14,661.60 : x
  2. Step 2: Convert to fraction form
    47,940.45/71,910.06 = 14,661.60/x
  3. Step 3: Cross multiply
    47,940.45x = 71,910.06 × 14,661.60
  4. Step 4: Simplify right side
    47,940.45x = 1,054,316,535.70
  5. Step 5: Solve for x
    x = 1,054,316,535.70/47,940.45
  6. Step 6: Final answer
    x = 21,992.21

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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.