Finding the Fourth Proportional to 88,818.24, 122,565.30 and 48,530.10
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Solution
The fourth proportional to 88,818.24, 122,565.30 and 48,530.10 is: 66,969.42
Step by Step Solution
- Step 1: Write the proportion equation
88,818.24 : 122,565.30 = 48,530.10 : x - Step 2: Convert to fraction form
88,818.24/122,565.30 = 48,530.10/x - Step 3: Cross multiply
88,818.24x = 122,565.30 × 48,530.10 - Step 4: Simplify right side
88,818.24x = 5,948,106,265.53 - Step 5: Solve for x
x = 5,948,106,265.53/88,818.24 - Step 6: Final answer
x = 66,969.42
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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.