Home / 68,116.10-102,174.75-23,742.81

Finding the Fourth Proportional to 68,116.10, 102,174.75 and 23,742.81

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Solution

The fourth proportional to 68,116.10, 102,174.75 and 23,742.81 is: 35,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,116.10 : 102,174.75 = 23,742.81 : x
  2. Step 2: Convert to fraction form
    68,116.10/102,174.75 = 23,742.81/x
  3. Step 3: Cross multiply
    68,116.10x = 102,174.75 × 23,742.81
  4. Step 4: Simplify right side
    68,116.10x = 2,425,915,676.05
  5. Step 5: Solve for x
    x = 2,425,915,676.05/68,116.10
  6. Step 6: Final answer
    x = 35,614.43

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1.5x scale

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.