Home / 78,338.03-117,527.29-33,954.53

Finding the Fourth Proportional to 78,338.03, 117,527.29 and 33,954.53

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Solution

The fourth proportional to 78,338.03, 117,527.29 and 33,954.53 is: 50,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,338.03 : 117,527.29 = 33,954.53 : x
  2. Step 2: Convert to fraction form
    78,338.03/117,527.29 = 33,954.53/x
  3. Step 3: Cross multiply
    78,338.03x = 117,527.29 × 33,954.53
  4. Step 4: Simplify right side
    78,338.03x = 3,990,583,221.60
  5. Step 5: Solve for x
    x = 3,990,583,221.60/78,338.03
  6. Step 6: Final answer
    x = 50,940.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.