Home / 55,728.44-83,528.26-25,679.85

Finding the Fourth Proportional to 55,728.44, 83,528.26 and 25,679.85

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Solution

The fourth proportional to 55,728.44, 83,528.26 and 25,679.85 is: 38,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728.44 : 83,528.26 = 25,679.85 : x
  2. Step 2: Convert to fraction form
    55,728.44/83,528.26 = 25,679.85/x
  3. Step 3: Cross multiply
    55,728.44x = 83,528.26 × 25,679.85
  4. Step 4: Simplify right side
    55,728.44x = 2,144,993,424.43
  5. Step 5: Solve for x
    x = 2,144,993,424.43/55,728.44
  6. Step 6: Final answer
    x = 38,490.10

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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.