Finding the Fourth Proportional to 88,511.13, 122,143.81 and 48,225.18
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Solution
The fourth proportional to 88,511.13, 122,143.81 and 48,225.18 is: 66,549.90
Step by Step Solution
- Step 1: Write the proportion equation
88,511.13 : 122,143.81 = 48,225.18 : x - Step 2: Convert to fraction form
88,511.13/122,143.81 = 48,225.18/x - Step 3: Cross multiply
88,511.13x = 122,143.81 × 48,225.18 - Step 4: Simplify right side
88,511.13x = 5,890,406,676.65 - Step 5: Solve for x
x = 5,890,406,676.65/88,511.13 - Step 6: Final answer
x = 66,549.90
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1.5x scale
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.