Finding the Fourth Proportional to 68,495.17, 102,752.40 and 21,114.08
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Solution
The fourth proportional to 68,495.17, 102,752.40 and 21,114.08 is: 31,674.09
Step by Step Solution
- Step 1: Write the proportion equation
68,495.17 : 102,752.40 = 21,114.08 : x - Step 2: Convert to fraction form
68,495.17/102,752.40 = 21,114.08/x - Step 3: Cross multiply
68,495.17x = 102,752.40 × 21,114.08 - Step 4: Simplify right side
68,495.17x = 2,169,522,370.26 - Step 5: Solve for x
x = 2,169,522,370.26/68,495.17 - Step 6: Final answer
x = 31,674.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.