Finding the Fourth Proportional to 68,521.35, 102,767.90 and 26,386.97
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Solution
The fourth proportional to 68,521.35, 102,767.90 and 26,386.97 is: 39,575.02
Step by Step Solution
- Step 1: Write the proportion equation
68,521.35 : 102,767.90 = 26,386.97 : x - Step 2: Convert to fraction form
68,521.35/102,767.90 = 26,386.97/x - Step 3: Cross multiply
68,521.35x = 102,767.90 × 26,386.97 - Step 4: Simplify right side
68,521.35x = 2,711,733,494.26 - Step 5: Solve for x
x = 2,711,733,494.26/68,521.35 - Step 6: Final answer
x = 39,575.02
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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.