Home / 79,380.19-109,546.07-43,573.53

Finding the Fourth Proportional to 79,380.19, 109,546.07 and 43,573.53

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Solution

The fourth proportional to 79,380.19, 109,546.07 and 43,573.53 is: 60,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,380.19 : 109,546.07 = 43,573.53 : x
  2. Step 2: Convert to fraction form
    79,380.19/109,546.07 = 43,573.53/x
  3. Step 3: Cross multiply
    79,380.19x = 109,546.07 × 43,573.53
  4. Step 4: Simplify right side
    79,380.19x = 4,773,308,939.53
  5. Step 5: Solve for x
    x = 4,773,308,939.53/79,380.19
  6. Step 6: Final answer
    x = 60,132.25

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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.