Home / 53,879.40-80,824.56-14,440.50

Finding the Fourth Proportional to 53,879.40, 80,824.56 and 14,440.50

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Solution

The fourth proportional to 53,879.40, 80,824.56 and 14,440.50 is: 21,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,879.40 : 80,824.56 = 14,440.50 : x
  2. Step 2: Convert to fraction form
    53,879.40/80,824.56 = 14,440.50/x
  3. Step 3: Cross multiply
    53,879.40x = 80,824.56 × 14,440.50
  4. Step 4: Simplify right side
    53,879.40x = 1,167,147,058.68
  5. Step 5: Solve for x
    x = 1,167,147,058.68/53,879.40
  6. Step 6: Final answer
    x = 21,662.21

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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.