Home / 53,363.10-80,044.81-13,920.26

Finding the Fourth Proportional to 53,363.10, 80,044.81 and 13,920.26

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Solution

The fourth proportional to 53,363.10, 80,044.81 and 13,920.26 is: 20,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,363.10 : 80,044.81 = 13,920.26 : x
  2. Step 2: Convert to fraction form
    53,363.10/80,044.81 = 13,920.26/x
  3. Step 3: Cross multiply
    53,363.10x = 80,044.81 × 13,920.26
  4. Step 4: Simplify right side
    53,363.10x = 1,114,244,131.83
  5. Step 5: Solve for x
    x = 1,114,244,131.83/53,363.10
  6. Step 6: Final answer
    x = 20,880.42

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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.