Finding the Fourth Proportional to 74,601.44, 102,946.77 and 40,609.98
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Solution
The fourth proportional to 74,601.44, 102,946.77 and 40,609.98 is: 56,040.02
Step by Step Solution
- Step 1: Write the proportion equation
74,601.44 : 102,946.77 = 40,609.98 : x - Step 2: Convert to fraction form
74,601.44/102,946.77 = 40,609.98/x - Step 3: Cross multiply
74,601.44x = 102,946.77 × 40,609.98 - Step 4: Simplify right side
74,601.44x = 4,180,666,270.76 - Step 5: Solve for x
x = 4,180,666,270.76/74,601.44 - Step 6: Final answer
x = 56,040.02
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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.