Finding the Fourth Proportional to 68,876.62, 103,307.62 and 22,125.84
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Solution
The fourth proportional to 68,876.62, 103,307.62 and 22,125.84 is: 33,186.41
Step by Step Solution
- Step 1: Write the proportion equation
68,876.62 : 103,307.62 = 22,125.84 : x - Step 2: Convert to fraction form
68,876.62/103,307.62 = 22,125.84/x - Step 3: Cross multiply
68,876.62x = 103,307.62 × 22,125.84 - Step 4: Simplify right side
68,876.62x = 2,285,767,870.90 - Step 5: Solve for x
x = 2,285,767,870.90/68,876.62 - Step 6: Final answer
x = 33,186.41
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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.