Home / 66,168.44-99,169.20-26,703.60

Finding the Fourth Proportional to 66,168.44, 99,169.20 and 26,703.60

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Solution

The fourth proportional to 66,168.44, 99,169.20 and 26,703.60 is: 40,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,168.44 : 99,169.20 = 26,703.60 : x
  2. Step 2: Convert to fraction form
    66,168.44/99,169.20 = 26,703.60/x
  3. Step 3: Cross multiply
    66,168.44x = 99,169.20 × 26,703.60
  4. Step 4: Simplify right side
    66,168.44x = 2,648,174,649.12
  5. Step 5: Solve for x
    x = 2,648,174,649.12/66,168.44
  6. Step 6: Final answer
    x = 40,021.72

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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.