Home / 79,396.44-109,560.18-43,586.40

Finding the Fourth Proportional to 79,396.44, 109,560.18 and 43,586.40

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Solution

The fourth proportional to 79,396.44, 109,560.18 and 43,586.40 is: 60,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,396.44 : 109,560.18 = 43,586.40 : x
  2. Step 2: Convert to fraction form
    79,396.44/109,560.18 = 43,586.40/x
  3. Step 3: Cross multiply
    79,396.44x = 109,560.18 × 43,586.40
  4. Step 4: Simplify right side
    79,396.44x = 4,775,333,829.55
  5. Step 5: Solve for x
    x = 4,775,333,829.55/79,396.44
  6. Step 6: Final answer
    x = 60,145.44

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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.