Home / 54,072.48-74,622.96-31,716.48

Finding the Fourth Proportional to 54,072.48, 74,622.96 and 31,716.48

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Solution

The fourth proportional to 54,072.48, 74,622.96 and 31,716.48 is: 43,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072.48 : 74,622.96 = 31,716.48 : x
  2. Step 2: Convert to fraction form
    54,072.48/74,622.96 = 31,716.48/x
  3. Step 3: Cross multiply
    54,072.48x = 74,622.96 × 31,716.48
  4. Step 4: Simplify right side
    54,072.48x = 2,366,777,618.38
  5. Step 5: Solve for x
    x = 2,366,777,618.38/54,072.48
  6. Step 6: Final answer
    x = 43,770.47

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1.5x scale

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.