Home / 54,352.11-74,971.40-39,266.94

Finding the Fourth Proportional to 54,352.11, 74,971.40 and 39,266.94

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Solution

The fourth proportional to 54,352.11, 74,971.40 and 39,266.94 is: 54,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,352.11 : 74,971.40 = 39,266.94 : x
  2. Step 2: Convert to fraction form
    54,352.11/74,971.40 = 39,266.94/x
  3. Step 3: Cross multiply
    54,352.11x = 74,971.40 × 39,266.94
  4. Step 4: Simplify right side
    54,352.11x = 2,943,897,269.18
  5. Step 5: Solve for x
    x = 2,943,897,269.18/54,352.11
  6. Step 6: Final answer
    x = 54,163.44

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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.