Finding the Fourth Proportional to 68,619.79, 102,911.18 and 24,240.70
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Solution
The fourth proportional to 68,619.79, 102,911.18 and 24,240.70 is: 36,354.51
Step by Step Solution
- Step 1: Write the proportion equation
68,619.79 : 102,911.18 = 24,240.70 : x - Step 2: Convert to fraction form
68,619.79/102,911.18 = 24,240.70/x - Step 3: Cross multiply
68,619.79x = 102,911.18 × 24,240.70 - Step 4: Simplify right side
68,619.79x = 2,494,638,526.47 - Step 5: Solve for x
x = 2,494,638,526.47/68,619.79 - Step 6: Final answer
x = 36,354.51
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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.