Finding the Fourth Proportional to 68,307.14, 102,456.99 and 26,207.42
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Solution
The fourth proportional to 68,307.14, 102,456.99 and 26,207.42 is: 39,309.70
Step by Step Solution
- Step 1: Write the proportion equation
68,307.14 : 102,456.99 = 26,207.42 : x - Step 2: Convert to fraction form
68,307.14/102,456.99 = 26,207.42/x - Step 3: Cross multiply
68,307.14x = 102,456.99 × 26,207.42 - Step 4: Simplify right side
68,307.14x = 2,685,133,368.87 - Step 5: Solve for x
x = 2,685,133,368.87/68,307.14 - Step 6: Final answer
x = 39,309.70
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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.