Home / 54,669.20-82,003.80-19,604.30

Finding the Fourth Proportional to 54,669.20, 82,003.80 and 19,604.30

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Solution

The fourth proportional to 54,669.20, 82,003.80 and 19,604.30 is: 29,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669.20 : 82,003.80 = 19,604.30 : x
  2. Step 2: Convert to fraction form
    54,669.20/82,003.80 = 19,604.30/x
  3. Step 3: Cross multiply
    54,669.20x = 82,003.80 × 19,604.30
  4. Step 4: Simplify right side
    54,669.20x = 1,607,627,096.34
  5. Step 5: Solve for x
    x = 1,607,627,096.34/54,669.20
  6. Step 6: Final answer
    x = 29,406.45

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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.