Finding the Fourth Proportional to 74,076.15, 102,225.35 and 40,084.63
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Solution
The fourth proportional to 74,076.15, 102,225.35 and 40,084.63 is: 55,316.94
Step by Step Solution
- Step 1: Write the proportion equation
74,076.15 : 102,225.35 = 40,084.63 : x - Step 2: Convert to fraction form
74,076.15/102,225.35 = 40,084.63/x - Step 3: Cross multiply
74,076.15x = 102,225.35 × 40,084.63 - Step 4: Simplify right side
74,076.15x = 4,097,665,687.15 - Step 5: Solve for x
x = 4,097,665,687.15/74,076.15 - Step 6: Final answer
x = 55,316.94
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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.