Finding the Fourth Proportional to 68,590.06, 102,877.68 and 21,839.26
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Solution
The fourth proportional to 68,590.06, 102,877.68 and 21,839.26 is: 32,756.53
Step by Step Solution
- Step 1: Write the proportion equation
68,590.06 : 102,877.68 = 21,839.26 : x - Step 2: Convert to fraction form
68,590.06/102,877.68 = 21,839.26/x - Step 3: Cross multiply
68,590.06x = 102,877.68 × 21,839.26 - Step 4: Simplify right side
68,590.06x = 2,246,772,401.72 - Step 5: Solve for x
x = 2,246,772,401.72/68,590.06 - Step 6: Final answer
x = 32,756.53
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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.