Finding the Fourth Proportional to 74,700, 103,086 and 41,166
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Solution
The fourth proportional to 74,700, 103,086 and 41,166 is: 56,809.08
Step by Step Solution
- Step 1: Write the proportion equation
74,700 : 103,086 = 41,166 : x - Step 2: Convert to fraction form
74,700/103,086 = 41,166/x - Step 3: Cross multiply
74,700x = 103,086 × 41,166 - Step 4: Simplify right side
74,700x = 4,243,638,276 - Step 5: Solve for x
x = 4,243,638,276/74,700 - Step 6: Final answer
x = 56,809.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.