Home / 79,368.24-109,529.46-43,561.58

Finding the Fourth Proportional to 79,368.24, 109,529.46 and 43,561.58

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Solution

The fourth proportional to 79,368.24, 109,529.46 and 43,561.58 is: 60,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,368.24 : 109,529.46 = 43,561.58 : x
  2. Step 2: Convert to fraction form
    79,368.24/109,529.46 = 43,561.58/x
  3. Step 3: Cross multiply
    79,368.24x = 109,529.46 × 43,561.58
  4. Step 4: Simplify right side
    79,368.24x = 4,771,275,786.50
  5. Step 5: Solve for x
    x = 4,771,275,786.50/79,368.24
  6. Step 6: Final answer
    x = 60,115.68

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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.