Home / 74,938.26-103,419.42-43,106.42

Finding the Fourth Proportional to 74,938.26, 103,419.42 and 43,106.42

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Solution

The fourth proportional to 74,938.26, 103,419.42 and 43,106.42 is: 59,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,938.26 : 103,419.42 = 43,106.42 : x
  2. Step 2: Convert to fraction form
    74,938.26/103,419.42 = 43,106.42/x
  3. Step 3: Cross multiply
    74,938.26x = 103,419.42 × 43,106.42
  4. Step 4: Simplify right side
    74,938.26x = 4,458,040,954.68
  5. Step 5: Solve for x
    x = 4,458,040,954.68/74,938.26
  6. Step 6: Final answer
    x = 59,489.52

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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.