Home / 79,184.54-109,274.69-43,375.84

Finding the Fourth Proportional to 79,184.54, 109,274.69 and 43,375.84

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Solution

The fourth proportional to 79,184.54, 109,274.69 and 43,375.84 is: 59,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184.54 : 109,274.69 = 43,375.84 : x
  2. Step 2: Convert to fraction form
    79,184.54/109,274.69 = 43,375.84/x
  3. Step 3: Cross multiply
    79,184.54x = 109,274.69 × 43,375.84
  4. Step 4: Simplify right side
    79,184.54x = 4,739,881,060.75
  5. Step 5: Solve for x
    x = 4,739,881,060.75/79,184.54
  6. Step 6: Final answer
    x = 59,858.67

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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.