Finding the Fourth Proportional to 68,291.30, 102,473.68 and 65,806.04
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Solution
The fourth proportional to 68,291.30, 102,473.68 and 65,806.04 is: 98,744.45
Step by Step Solution
- Step 1: Write the proportion equation
68,291.30 : 102,473.68 = 65,806.04 : x - Step 2: Convert to fraction form
68,291.30/102,473.68 = 65,806.04/x - Step 3: Cross multiply
68,291.30x = 102,473.68 × 65,806.04 - Step 4: Simplify right side
68,291.30x = 6,743,387,085.03 - Step 5: Solve for x
x = 6,743,387,085.03/68,291.30 - Step 6: Final answer
x = 98,744.45
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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.