Finding the Fourth Proportional to 74,371.77, 102,587.72 and 44,136.63
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Solution
The fourth proportional to 74,371.77, 102,587.72 and 44,136.63 is: 60,881.65
Step by Step Solution
- Step 1: Write the proportion equation
74,371.77 : 102,587.72 = 44,136.63 : x - Step 2: Convert to fraction form
74,371.77/102,587.72 = 44,136.63/x - Step 3: Cross multiply
74,371.77x = 102,587.72 × 44,136.63 - Step 4: Simplify right side
74,371.77x = 4,527,876,019.50 - Step 5: Solve for x
x = 4,527,876,019.50/74,371.77 - Step 6: Final answer
x = 60,881.65
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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.