Finding the Fourth Proportional to 68,975.99, 103,462.97 and 19,054.99
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Solution
The fourth proportional to 68,975.99, 103,462.97 and 19,054.99 is: 28,582.20
Step by Step Solution
- Step 1: Write the proportion equation
68,975.99 : 103,462.97 = 19,054.99 : x - Step 2: Convert to fraction form
68,975.99/103,462.97 = 19,054.99/x - Step 3: Cross multiply
68,975.99x = 103,462.97 × 19,054.99 - Step 4: Simplify right side
68,975.99x = 1,971,485,504.79 - Step 5: Solve for x
x = 1,971,485,504.79/68,975.99 - Step 6: Final answer
x = 28,582.20
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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.