Finding the Fourth Proportional to 88,969.68, 122,777.52 and 48,682.68
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Solution
The fourth proportional to 88,969.68, 122,777.52 and 48,682.68 is: 67,181.75
Step by Step Solution
- Step 1: Write the proportion equation
88,969.68 : 122,777.52 = 48,682.68 : x - Step 2: Convert to fraction form
88,969.68/122,777.52 = 48,682.68/x - Step 3: Cross multiply
88,969.68x = 122,777.52 × 48,682.68 - Step 4: Simplify right side
88,969.68x = 5,977,138,717.35 - Step 5: Solve for x
x = 5,977,138,717.35/88,969.68 - Step 6: Final answer
x = 67,181.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.