Home / 79,184.64-109,274.82-43,375.32

Finding the Fourth Proportional to 79,184.64, 109,274.82 and 43,375.32

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Solution

The fourth proportional to 79,184.64, 109,274.82 and 43,375.32 is: 59,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184.64 : 109,274.82 = 43,375.32 : x
  2. Step 2: Convert to fraction form
    79,184.64/109,274.82 = 43,375.32/x
  3. Step 3: Cross multiply
    79,184.64x = 109,274.82 × 43,375.32
  4. Step 4: Simplify right side
    79,184.64x = 4,739,830,285.44
  5. Step 5: Solve for x
    x = 4,739,830,285.44/79,184.64
  6. Step 6: Final answer
    x = 59,857.95

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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.