Finding the Fourth Proportional to 74,356.68, 102,605.40 and 44,136.84
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Solution
The fourth proportional to 74,356.68, 102,605.40 and 44,136.84 is: 60,904.79
Step by Step Solution
- Step 1: Write the proportion equation
74,356.68 : 102,605.40 = 44,136.84 : x - Step 2: Convert to fraction form
74,356.68/102,605.40 = 44,136.84/x - Step 3: Cross multiply
74,356.68x = 102,605.40 × 44,136.84 - Step 4: Simplify right side
74,356.68x = 4,528,678,122.94 - Step 5: Solve for x
x = 4,528,678,122.94/74,356.68 - Step 6: Final answer
x = 60,904.79
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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.