Finding the Fourth Proportional to 88,354.96, 121,920.73 and 52,538.05
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Solution
The fourth proportional to 88,354.96, 121,920.73 and 52,538.05 is: 72,497.09
Step by Step Solution
- Step 1: Write the proportion equation
88,354.96 : 121,920.73 = 52,538.05 : x - Step 2: Convert to fraction form
88,354.96/121,920.73 = 52,538.05/x - Step 3: Cross multiply
88,354.96x = 121,920.73 × 52,538.05 - Step 4: Simplify right side
88,354.96x = 6,405,477,408.78 - Step 5: Solve for x
x = 6,405,477,408.78/88,354.96 - Step 6: Final answer
x = 72,497.09
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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.