Home / 74,461.01-102,756.03-40,469.37

Finding the Fourth Proportional to 74,461.01, 102,756.03 and 40,469.37

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Solution

The fourth proportional to 74,461.01, 102,756.03 and 40,469.37 is: 55,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,461.01 : 102,756.03 = 40,469.37 : x
  2. Step 2: Convert to fraction form
    74,461.01/102,756.03 = 40,469.37/x
  3. Step 3: Cross multiply
    74,461.01x = 102,756.03 × 40,469.37
  4. Step 4: Simplify right side
    74,461.01x = 4,158,471,797.80
  5. Step 5: Solve for x
    x = 4,158,471,797.80/74,461.01
  6. Step 6: Final answer
    x = 55,847.65

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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.