Home / 74,004.10-110,682.15-66,163.30

Finding the Fourth Proportional to 74,004.10, 110,682.15 and 66,163.30

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Solution

The fourth proportional to 74,004.10, 110,682.15 and 66,163.30 is: 98,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,004.10 : 110,682.15 = 66,163.30 : x
  2. Step 2: Convert to fraction form
    74,004.10/110,682.15 = 66,163.30/x
  3. Step 3: Cross multiply
    74,004.10x = 110,682.15 × 66,163.30
  4. Step 4: Simplify right side
    74,004.10x = 7,323,096,295.10
  5. Step 5: Solve for x
    x = 7,323,096,295.10/74,004.10
  6. Step 6: Final answer
    x = 98,955.28

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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.