Finding the Fourth Proportional to 88,636.48, 122,313.84 and 48,349.91
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Solution
The fourth proportional to 88,636.48, 122,313.84 and 48,349.91 is: 66,720.42
Step by Step Solution
- Step 1: Write the proportion equation
88,636.48 : 122,313.84 = 48,349.91 : x - Step 2: Convert to fraction form
88,636.48/122,313.84 = 48,349.91/x - Step 3: Cross multiply
88,636.48x = 122,313.84 × 48,349.91 - Step 4: Simplify right side
88,636.48x = 5,913,863,155.75 - Step 5: Solve for x
x = 5,913,863,155.75/88,636.48 - Step 6: Final answer
x = 66,720.42
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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.