Finding the Fourth Proportional to 88,395.66, 121,989.00 and 48,110.88
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Solution
The fourth proportional to 88,395.66, 121,989.00 and 48,110.88 is: 66,394.65
Step by Step Solution
- Step 1: Write the proportion equation
88,395.66 : 121,989.00 = 48,110.88 : x - Step 2: Convert to fraction form
88,395.66/121,989.00 = 48,110.88/x - Step 3: Cross multiply
88,395.66x = 121,989.00 × 48,110.88 - Step 4: Simplify right side
88,395.66x = 5,868,998,778.19 - Step 5: Solve for x
x = 5,868,998,778.19/88,395.66 - Step 6: Final answer
x = 66,394.65
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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.