Home / 74,163.11-111,261.16-40,866.03

Finding the Fourth Proportional to 74,163.11, 111,261.16 and 40,866.03

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Solution

The fourth proportional to 74,163.11, 111,261.16 and 40,866.03 is: 61,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,163.11 : 111,261.16 = 40,866.03 : x
  2. Step 2: Convert to fraction form
    74,163.11/111,261.16 = 40,866.03/x
  3. Step 3: Cross multiply
    74,163.11x = 111,261.16 × 40,866.03
  4. Step 4: Simplify right side
    74,163.11x = 4,546,801,953.48
  5. Step 5: Solve for x
    x = 4,546,801,953.48/74,163.11
  6. Step 6: Final answer
    x = 61,308.14

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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.