Finding the Fourth Proportional to 88,354.48, 121,927.36 and 48,069.20
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Solution
The fourth proportional to 88,354.48, 121,927.36 and 48,069.20 is: 66,334.50
Step by Step Solution
- Step 1: Write the proportion equation
88,354.48 : 121,927.36 = 48,069.20 : x - Step 2: Convert to fraction form
88,354.48/121,927.36 = 48,069.20/x - Step 3: Cross multiply
88,354.48x = 121,927.36 × 48,069.20 - Step 4: Simplify right side
88,354.48x = 5,860,950,653.31 - Step 5: Solve for x
x = 5,860,950,653.31/88,354.48 - Step 6: Final answer
x = 66,334.50
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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.