Home / 54,245.96-74,865.82-30,368.02

Finding the Fourth Proportional to 54,245.96, 74,865.82 and 30,368.02

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Solution

The fourth proportional to 54,245.96, 74,865.82 and 30,368.02 is: 41,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,245.96 : 74,865.82 = 30,368.02 : x
  2. Step 2: Convert to fraction form
    54,245.96/74,865.82 = 30,368.02/x
  3. Step 3: Cross multiply
    54,245.96x = 74,865.82 × 30,368.02
  4. Step 4: Simplify right side
    54,245.96x = 2,273,526,719.08
  5. Step 5: Solve for x
    x = 2,273,526,719.08/54,245.96
  6. Step 6: Final answer
    x = 41,911.45

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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.