Finding the Fourth Proportional to 88,396.32, 121,818.96 and 63,202.08
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Solution
The fourth proportional to 88,396.32, 121,818.96 and 63,202.08 is: 87,098.78
Step by Step Solution
- Step 1: Write the proportion equation
88,396.32 : 121,818.96 = 63,202.08 : x - Step 2: Convert to fraction form
88,396.32/121,818.96 = 63,202.08/x - Step 3: Cross multiply
88,396.32x = 121,818.96 × 63,202.08 - Step 4: Simplify right side
88,396.32x = 7,699,211,655.44 - Step 5: Solve for x
x = 7,699,211,655.44/88,396.32 - Step 6: Final answer
x = 87,098.78
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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.