Home / 74,166.42-111,057.66-67,423.44

Finding the Fourth Proportional to 74,166.42, 111,057.66 and 67,423.44

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Solution

The fourth proportional to 74,166.42, 111,057.66 and 67,423.44 is: 100,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,166.42 : 111,057.66 = 67,423.44 : x
  2. Step 2: Convert to fraction form
    74,166.42/111,057.66 = 67,423.44/x
  3. Step 3: Cross multiply
    74,166.42x = 111,057.66 × 67,423.44
  4. Step 4: Simplify right side
    74,166.42x = 7,487,889,475.55
  5. Step 5: Solve for x
    x = 7,487,889,475.55/74,166.42
  6. Step 6: Final answer
    x = 100,960.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.