Finding the Fourth Proportional to 89,090.32, 133,651.68 and 44,747.68
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Solution
The fourth proportional to 89,090.32, 133,651.68 and 44,747.68 is: 67,129.66
Step by Step Solution
- Step 1: Write the proportion equation
89,090.32 : 133,651.68 = 44,747.68 : x - Step 2: Convert to fraction form
89,090.32/133,651.68 = 44,747.68/x - Step 3: Cross multiply
89,090.32x = 133,651.68 × 44,747.68 - Step 4: Simplify right side
89,090.32x = 5,980,602,608.10 - Step 5: Solve for x
x = 5,980,602,608.10/89,090.32 - Step 6: Final answer
x = 67,129.66
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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.