Home / 53,850.28-80,769.72-14,411.38

Finding the Fourth Proportional to 53,850.28, 80,769.72 and 14,411.38

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Solution

The fourth proportional to 53,850.28, 80,769.72 and 14,411.38 is: 21,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,850.28 : 80,769.72 = 14,411.38 : x
  2. Step 2: Convert to fraction form
    53,850.28/80,769.72 = 14,411.38/x
  3. Step 3: Cross multiply
    53,850.28x = 80,769.72 × 14,411.38
  4. Step 4: Simplify right side
    53,850.28x = 1,164,003,127.41
  5. Step 5: Solve for x
    x = 1,164,003,127.41/53,850.28
  6. Step 6: Final answer
    x = 21,615.54

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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.