Home / 110,310.10-165,416.55-43,728.10

Finding the Fourth Proportional to 110,310.10, 165,416.55 and 43,728.10

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Solution

The fourth proportional to 110,310.10, 165,416.55 and 43,728.10 is: 65,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,310.10 : 165,416.55 = 43,728.10 : x
  2. Step 2: Convert to fraction form
    110,310.10/165,416.55 = 43,728.10/x
  3. Step 3: Cross multiply
    110,310.10x = 165,416.55 × 43,728.10
  4. Step 4: Simplify right side
    110,310.10x = 7,233,351,440.06
  5. Step 5: Solve for x
    x = 7,233,351,440.06/110,310.10
  6. Step 6: Final answer
    x = 65,572.88

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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.