Home / 54,513.28-81,769.89-14,532.28

Finding the Fourth Proportional to 54,513.28, 81,769.89 and 14,532.28

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Solution

The fourth proportional to 54,513.28, 81,769.89 and 14,532.28 is: 21,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.28 : 81,769.89 = 14,532.28 : x
  2. Step 2: Convert to fraction form
    54,513.28/81,769.89 = 14,532.28/x
  3. Step 3: Cross multiply
    54,513.28x = 81,769.89 × 14,532.28
  4. Step 4: Simplify right side
    54,513.28x = 1,188,302,937.05
  5. Step 5: Solve for x
    x = 1,188,302,937.05/54,513.28
  6. Step 6: Final answer
    x = 21,798.41

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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.