Home / 53,720.28-80,595-16,278.84

Finding the Fourth Proportional to 53,720.28, 80,595 and 16,278.84

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Solution

The fourth proportional to 53,720.28, 80,595 and 16,278.84 is: 24,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,720.28 : 80,595 = 16,278.84 : x
  2. Step 2: Convert to fraction form
    53,720.28/80,595 = 16,278.84/x
  3. Step 3: Cross multiply
    53,720.28x = 80,595 × 16,278.84
  4. Step 4: Simplify right side
    53,720.28x = 1,311,993,109.80
  5. Step 5: Solve for x
    x = 1,311,993,109.80/53,720.28
  6. Step 6: Final answer
    x = 24,422.68

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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.