Home / 53,709.36-80,558.37-14,270.46

Finding the Fourth Proportional to 53,709.36, 80,558.37 and 14,270.46

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Solution

The fourth proportional to 53,709.36, 80,558.37 and 14,270.46 is: 21,404.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,709.36 : 80,558.37 = 14,270.46 : x
  2. Step 2: Convert to fraction form
    53,709.36/80,558.37 = 14,270.46/x
  3. Step 3: Cross multiply
    53,709.36x = 80,558.37 × 14,270.46
  4. Step 4: Simplify right side
    53,709.36x = 1,149,604,996.75
  5. Step 5: Solve for x
    x = 1,149,604,996.75/53,709.36
  6. Step 6: Final answer
    x = 21,404.18

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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.