Home / 69,616.27-104,187.84-42,979.24

Finding the Fourth Proportional to 69,616.27, 104,187.84 and 42,979.24

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Solution

The fourth proportional to 69,616.27, 104,187.84 and 42,979.24 is: 64,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,616.27 : 104,187.84 = 42,979.24 : x
  2. Step 2: Convert to fraction form
    69,616.27/104,187.84 = 42,979.24/x
  3. Step 3: Cross multiply
    69,616.27x = 104,187.84 × 42,979.24
  4. Step 4: Simplify right side
    69,616.27x = 4,477,914,180.44
  5. Step 5: Solve for x
    x = 4,477,914,180.44/69,616.27
  6. Step 6: Final answer
    x = 64,322.81

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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.