Finding the Fourth Proportional to 68,486.85, 102,681.81 and 23,486.63
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Solution
The fourth proportional to 68,486.85, 102,681.81 and 23,486.63 is: 35,213.32
Step by Step Solution
- Step 1: Write the proportion equation
68,486.85 : 102,681.81 = 23,486.63 : x - Step 2: Convert to fraction form
68,486.85/102,681.81 = 23,486.63/x - Step 3: Cross multiply
68,486.85x = 102,681.81 × 23,486.63 - Step 4: Simplify right side
68,486.85x = 2,411,649,165.79 - Step 5: Solve for x
x = 2,411,649,165.79/68,486.85 - Step 6: Final answer
x = 35,213.32
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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.