Home / 54,810.96-82,220.04-15,369.60

Finding the Fourth Proportional to 54,810.96, 82,220.04 and 15,369.60

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Solution

The fourth proportional to 54,810.96, 82,220.04 and 15,369.60 is: 23,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.96 : 82,220.04 = 15,369.60 : x
  2. Step 2: Convert to fraction form
    54,810.96/82,220.04 = 15,369.60/x
  3. Step 3: Cross multiply
    54,810.96x = 82,220.04 × 15,369.60
  4. Step 4: Simplify right side
    54,810.96x = 1,263,689,126.78
  5. Step 5: Solve for x
    x = 1,263,689,126.78/54,810.96
  6. Step 6: Final answer
    x = 23,055.41

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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.