Home / 74,375.46-111,564.36-74,266.11

Finding the Fourth Proportional to 74,375.46, 111,564.36 and 74,266.11

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Solution

The fourth proportional to 74,375.46, 111,564.36 and 74,266.11 is: 111,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,375.46 : 111,564.36 = 74,266.11 : x
  2. Step 2: Convert to fraction form
    74,375.46/111,564.36 = 74,266.11/x
  3. Step 3: Cross multiply
    74,375.46x = 111,564.36 × 74,266.11
  4. Step 4: Simplify right side
    74,375.46x = 8,285,451,031.84
  5. Step 5: Solve for x
    x = 8,285,451,031.84/74,375.46
  6. Step 6: Final answer
    x = 111,400.33

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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.