Home / 53,320.67-79,954.20-17,769.41

Finding the Fourth Proportional to 53,320.67, 79,954.20 and 17,769.41

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Solution

The fourth proportional to 53,320.67, 79,954.20 and 17,769.41 is: 26,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,320.67 : 79,954.20 = 17,769.41 : x
  2. Step 2: Convert to fraction form
    53,320.67/79,954.20 = 17,769.41/x
  3. Step 3: Cross multiply
    53,320.67x = 79,954.20 × 17,769.41
  4. Step 4: Simplify right side
    53,320.67x = 1,420,738,961.02
  5. Step 5: Solve for x
    x = 1,420,738,961.02/53,320.67
  6. Step 6: Final answer
    x = 26,645.18

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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.