Home / 79,529.86-109,751.39-43,719.96

Finding the Fourth Proportional to 79,529.86, 109,751.39 and 43,719.96

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Solution

The fourth proportional to 79,529.86, 109,751.39 and 43,719.96 is: 60,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,529.86 : 109,751.39 = 43,719.96 : x
  2. Step 2: Convert to fraction form
    79,529.86/109,751.39 = 43,719.96/x
  3. Step 3: Cross multiply
    79,529.86x = 109,751.39 × 43,719.96
  4. Step 4: Simplify right side
    79,529.86x = 4,798,326,380.74
  5. Step 5: Solve for x
    x = 4,798,326,380.74/79,529.86
  6. Step 6: Final answer
    x = 60,333.65

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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.