Finding the Fourth Proportional to 88,403.92, 121,986.60 and 52,595.44
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Solution
The fourth proportional to 88,403.92, 121,986.60 and 52,595.44 is: 72,575.28
Step by Step Solution
- Step 1: Write the proportion equation
88,403.92 : 121,986.60 = 52,595.44 : x - Step 2: Convert to fraction form
88,403.92/121,986.60 = 52,595.44/x - Step 3: Cross multiply
88,403.92x = 121,986.60 × 52,595.44 - Step 4: Simplify right side
88,403.92x = 6,415,938,901.10 - Step 5: Solve for x
x = 6,415,938,901.10/88,403.92 - Step 6: Final answer
x = 72,575.28
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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.