Finding the Fourth Proportional to 88,741.19, 122,467.82 and 48,458.70
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Solution
The fourth proportional to 88,741.19, 122,467.82 and 48,458.70 is: 66,875.72
Step by Step Solution
- Step 1: Write the proportion equation
88,741.19 : 122,467.82 = 48,458.70 : x - Step 2: Convert to fraction form
88,741.19/122,467.82 = 48,458.70/x - Step 3: Cross multiply
88,741.19x = 122,467.82 × 48,458.70 - Step 4: Simplify right side
88,741.19x = 5,934,631,106.74 - Step 5: Solve for x
x = 5,934,631,106.74/88,741.19 - Step 6: Final answer
x = 66,875.72
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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.