Finding the Fourth Proportional to 117,727.61, 162,466.13 and 64,012.99
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Solution
The fourth proportional to 117,727.61, 162,466.13 and 64,012.99 is: 88,339.03
Step by Step Solution
- Step 1: Write the proportion equation
117,727.61 : 162,466.13 = 64,012.99 : x - Step 2: Convert to fraction form
117,727.61/162,466.13 = 64,012.99/x - Step 3: Cross multiply
117,727.61x = 162,466.13 × 64,012.99 - Step 4: Simplify right side
117,727.61x = 10,399,942,755.03 - Step 5: Solve for x
x = 10,399,942,755.03/117,727.61 - Step 6: Final answer
x = 88,339.03
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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.