Finding the Fourth Proportional to 88,352.10, 121,920.48 and 48,065.58
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Solution
The fourth proportional to 88,352.10, 121,920.48 and 48,065.58 is: 66,327.55
Step by Step Solution
- Step 1: Write the proportion equation
88,352.10 : 121,920.48 = 48,065.58 : x - Step 2: Convert to fraction form
88,352.10/121,920.48 = 48,065.58/x - Step 3: Cross multiply
88,352.10x = 121,920.48 × 48,065.58 - Step 4: Simplify right side
88,352.10x = 5,860,178,585.08 - Step 5: Solve for x
x = 5,860,178,585.08/88,352.10 - Step 6: Final answer
x = 66,327.55
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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.