Finding the Fourth Proportional to 88,354.36, 121,927.72 and 48,068.48
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Solution
The fourth proportional to 88,354.36, 121,927.72 and 48,068.48 is: 66,333.80
Step by Step Solution
- Step 1: Write the proportion equation
88,354.36 : 121,927.72 = 48,068.48 : x - Step 2: Convert to fraction form
88,354.36/121,927.72 = 48,068.48/x - Step 3: Cross multiply
88,354.36x = 121,927.72 × 48,068.48 - Step 4: Simplify right side
88,354.36x = 5,860,880,170.27 - Step 5: Solve for x
x = 5,860,880,170.27/88,354.36 - Step 6: Final answer
x = 66,333.80
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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.