Home / 79,457.35-109,651.44-43,648.06

Finding the Fourth Proportional to 79,457.35, 109,651.44 and 43,648.06

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Solution

The fourth proportional to 79,457.35, 109,651.44 and 43,648.06 is: 60,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,457.35 : 109,651.44 = 43,648.06 : x
  2. Step 2: Convert to fraction form
    79,457.35/109,651.44 = 43,648.06/x
  3. Step 3: Cross multiply
    79,457.35x = 109,651.44 × 43,648.06
  4. Step 4: Simplify right side
    79,457.35x = 4,786,072,632.21
  5. Step 5: Solve for x
    x = 4,786,072,632.21/79,457.35
  6. Step 6: Final answer
    x = 60,234.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.