Home / 54,090.69-74,646.68-30,219.99

Finding the Fourth Proportional to 54,090.69, 74,646.68 and 30,219.99

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Solution

The fourth proportional to 54,090.69, 74,646.68 and 30,219.99 is: 41,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.69 : 74,646.68 = 30,219.99 : x
  2. Step 2: Convert to fraction form
    54,090.69/74,646.68 = 30,219.99/x
  3. Step 3: Cross multiply
    54,090.69x = 74,646.68 × 30,219.99
  4. Step 4: Simplify right side
    54,090.69x = 2,255,821,772.03
  5. Step 5: Solve for x
    x = 2,255,821,772.03/54,090.69
  6. Step 6: Final answer
    x = 41,704.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.