Home / 54,478.42-81,722.33-15,035.53

Finding the Fourth Proportional to 54,478.42, 81,722.33 and 15,035.53

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Solution

The fourth proportional to 54,478.42, 81,722.33 and 15,035.53 is: 22,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.42 : 81,722.33 = 15,035.53 : x
  2. Step 2: Convert to fraction form
    54,478.42/81,722.33 = 15,035.53/x
  3. Step 3: Cross multiply
    54,478.42x = 81,722.33 × 15,035.53
  4. Step 4: Simplify right side
    54,478.42x = 1,228,738,060.60
  5. Step 5: Solve for x
    x = 1,228,738,060.60/54,478.42
  6. Step 6: Final answer
    x = 22,554.59

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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.