Finding the Fourth Proportional to 115,044.37, 158,709.99 and 67,276.65
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Solution
The fourth proportional to 115,044.37, 158,709.99 and 67,276.65 is: 92,811.81
Step by Step Solution
- Step 1: Write the proportion equation
115,044.37 : 158,709.99 = 67,276.65 : x - Step 2: Convert to fraction form
115,044.37/158,709.99 = 67,276.65/x - Step 3: Cross multiply
115,044.37x = 158,709.99 × 67,276.65 - Step 4: Simplify right side
115,044.37x = 10,677,476,448.73 - Step 5: Solve for x
x = 10,677,476,448.73/115,044.37 - Step 6: Final answer
x = 92,811.81
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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.