Finding the Fourth Proportional to 88,511.06, 122,143.72 and 48,225.12
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Solution
The fourth proportional to 88,511.06, 122,143.72 and 48,225.12 is: 66,549.82
Step by Step Solution
- Step 1: Write the proportion equation
88,511.06 : 122,143.72 = 48,225.12 : x - Step 2: Convert to fraction form
88,511.06/122,143.72 = 48,225.12/x - Step 3: Cross multiply
88,511.06x = 122,143.72 × 48,225.12 - Step 4: Simplify right side
88,511.06x = 5,890,395,066.07 - Step 5: Solve for x
x = 5,890,395,066.07/88,511.06 - Step 6: Final answer
x = 66,549.82
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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.