Home / 53,821.35-80,722.71-16,372.35

Finding the Fourth Proportional to 53,821.35, 80,722.71 and 16,372.35

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Solution

The fourth proportional to 53,821.35, 80,722.71 and 16,372.35 is: 24,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,821.35 : 80,722.71 = 16,372.35 : x
  2. Step 2: Convert to fraction form
    53,821.35/80,722.71 = 16,372.35/x
  3. Step 3: Cross multiply
    53,821.35x = 80,722.71 × 16,372.35
  4. Step 4: Simplify right side
    53,821.35x = 1,321,620,461.07
  5. Step 5: Solve for x
    x = 1,321,620,461.07/53,821.35
  6. Step 6: Final answer
    x = 24,555.69

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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.