Home / 54,101.04-81,129.60-19,032.48

Finding the Fourth Proportional to 54,101.04, 81,129.60 and 19,032.48

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Solution

The fourth proportional to 54,101.04, 81,129.60 and 19,032.48 is: 28,540.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,101.04 : 81,129.60 = 19,032.48 : x
  2. Step 2: Convert to fraction form
    54,101.04/81,129.60 = 19,032.48/x
  3. Step 3: Cross multiply
    54,101.04x = 81,129.60 × 19,032.48
  4. Step 4: Simplify right side
    54,101.04x = 1,544,097,489.41
  5. Step 5: Solve for x
    x = 1,544,097,489.41/54,101.04
  6. Step 6: Final answer
    x = 28,540.99

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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.