Home / 53,823.53-80,731.97-20,082.98

Finding the Fourth Proportional to 53,823.53, 80,731.97 and 20,082.98

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Solution

The fourth proportional to 53,823.53, 80,731.97 and 20,082.98 is: 30,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,823.53 : 80,731.97 = 20,082.98 : x
  2. Step 2: Convert to fraction form
    53,823.53/80,731.97 = 20,082.98/x
  3. Step 3: Cross multiply
    53,823.53x = 80,731.97 × 20,082.98
  4. Step 4: Simplify right side
    53,823.53x = 1,621,338,135.21
  5. Step 5: Solve for x
    x = 1,621,338,135.21/53,823.53
  6. Step 6: Final answer
    x = 30,123.22

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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.