Finding the Fourth Proportional to 68,270.75, 102,423.41 and 19,022.75
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Solution
The fourth proportional to 68,270.75, 102,423.41 and 19,022.75 is: 28,538.94
Step by Step Solution
- Step 1: Write the proportion equation
68,270.75 : 102,423.41 = 19,022.75 : x - Step 2: Convert to fraction form
68,270.75/102,423.41 = 19,022.75/x - Step 3: Cross multiply
68,270.75x = 102,423.41 × 19,022.75 - Step 4: Simplify right side
68,270.75x = 1,948,374,827.46 - Step 5: Solve for x
x = 1,948,374,827.46/68,270.75 - Step 6: Final answer
x = 28,538.94
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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.