Home / 54,940.28-75,807.70-30,741.73

Finding the Fourth Proportional to 54,940.28, 75,807.70 and 30,741.73

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Solution

The fourth proportional to 54,940.28, 75,807.70 and 30,741.73 is: 42,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,940.28 : 75,807.70 = 30,741.73 : x
  2. Step 2: Convert to fraction form
    54,940.28/75,807.70 = 30,741.73/x
  3. Step 3: Cross multiply
    54,940.28x = 75,807.70 × 30,741.73
  4. Step 4: Simplify right side
    54,940.28x = 2,330,459,578.95
  5. Step 5: Solve for x
    x = 2,330,459,578.95/54,940.28
  6. Step 6: Final answer
    x = 42,418.05

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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.