Finding the Fourth Proportional to 68,291.48, 102,431.74 and 23,308.99
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Solution
The fourth proportional to 68,291.48, 102,431.74 and 23,308.99 is: 34,961.61
Step by Step Solution
- Step 1: Write the proportion equation
68,291.48 : 102,431.74 = 23,308.99 : x - Step 2: Convert to fraction form
68,291.48/102,431.74 = 23,308.99/x - Step 3: Cross multiply
68,291.48x = 102,431.74 × 23,308.99 - Step 4: Simplify right side
68,291.48x = 2,387,580,403.34 - Step 5: Solve for x
x = 2,387,580,403.34/68,291.48 - Step 6: Final answer
x = 34,961.61
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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.