Finding the Fourth Proportional to 79,407.24, 109,584.81 and 43,599.99
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Solution
The fourth proportional to 79,407.24, 109,584.81 and 43,599.99 is: 60,169.53
Step by Step Solution
- Step 1: Write the proportion equation
79,407.24 : 109,584.81 = 43,599.99 : x - Step 2: Convert to fraction form
79,407.24/109,584.81 = 43,599.99/x - Step 3: Cross multiply
79,407.24x = 109,584.81 × 43,599.99 - Step 4: Simplify right side
79,407.24x = 4,777,896,620.15 - Step 5: Solve for x
x = 4,777,896,620.15/79,407.24 - Step 6: Final answer
x = 60,169.53
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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.