Home / 78,940.06-108,938.85-43,132.29

Finding the Fourth Proportional to 78,940.06, 108,938.85 and 43,132.29

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Solution

The fourth proportional to 78,940.06, 108,938.85 and 43,132.29 is: 59,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,940.06 : 108,938.85 = 43,132.29 : x
  2. Step 2: Convert to fraction form
    78,940.06/108,938.85 = 43,132.29/x
  3. Step 3: Cross multiply
    78,940.06x = 108,938.85 × 43,132.29
  4. Step 4: Simplify right side
    78,940.06x = 4,698,782,559.86
  5. Step 5: Solve for x
    x = 4,698,782,559.86/78,940.06
  6. Step 6: Final answer
    x = 59,523.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.