Home / 79,583.98-109,822.48-43,771.68

Finding the Fourth Proportional to 79,583.98, 109,822.48 and 43,771.68

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Solution

The fourth proportional to 79,583.98, 109,822.48 and 43,771.68 is: 60,403.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,583.98 : 109,822.48 = 43,771.68 : x
  2. Step 2: Convert to fraction form
    79,583.98/109,822.48 = 43,771.68/x
  3. Step 3: Cross multiply
    79,583.98x = 109,822.48 × 43,771.68
  4. Step 4: Simplify right side
    79,583.98x = 4,807,114,451.37
  5. Step 5: Solve for x
    x = 4,807,114,451.37/79,583.98
  6. Step 6: Final answer
    x = 60,403.04

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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.