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Finding the Fourth Proportional to 79,249.37, 118,901.39 and 49,631.99

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Solution

The fourth proportional to 79,249.37, 118,901.39 and 49,631.99 is: 74,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,249.37 : 118,901.39 = 49,631.99 : x
  2. Step 2: Convert to fraction form
    79,249.37/118,901.39 = 49,631.99/x
  3. Step 3: Cross multiply
    79,249.37x = 118,901.39 × 49,631.99
  4. Step 4: Simplify right side
    79,249.37x = 5,901,311,756.80
  5. Step 5: Solve for x
    x = 5,901,311,756.80/79,249.37
  6. Step 6: Final answer
    x = 74,465.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.