Finding the Fourth Proportional to 88,869.42, 133,215.84 and 36,316.62
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Solution
The fourth proportional to 88,869.42, 133,215.84 and 36,316.62 is: 54,438.85
Step by Step Solution
- Step 1: Write the proportion equation
88,869.42 : 133,215.84 = 36,316.62 : x - Step 2: Convert to fraction form
88,869.42/133,215.84 = 36,316.62/x - Step 3: Cross multiply
88,869.42x = 133,215.84 × 36,316.62 - Step 4: Simplify right side
88,869.42x = 4,837,949,039.26 - Step 5: Solve for x
x = 4,837,949,039.26/88,869.42 - Step 6: Final answer
x = 54,438.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.