Home / 79,329.72-109,474.60-43,518.84

Finding the Fourth Proportional to 79,329.72, 109,474.60 and 43,518.84

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Solution

The fourth proportional to 79,329.72, 109,474.60 and 43,518.84 is: 60,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,329.72 : 109,474.60 = 43,518.84 : x
  2. Step 2: Convert to fraction form
    79,329.72/109,474.60 = 43,518.84/x
  3. Step 3: Cross multiply
    79,329.72x = 109,474.60 × 43,518.84
  4. Step 4: Simplify right side
    79,329.72x = 4,764,207,601.46
  5. Step 5: Solve for x
    x = 4,764,207,601.46/79,329.72
  6. Step 6: Final answer
    x = 60,055.77

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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.