Finding the Fourth Proportional to 89,773.26, 134,645.30 and 42,388.26
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Solution
The fourth proportional to 89,773.26, 134,645.30 and 42,388.26 is: 63,575.50
Step by Step Solution
- Step 1: Write the proportion equation
89,773.26 : 134,645.30 = 42,388.26 : x - Step 2: Convert to fraction form
89,773.26/134,645.30 = 42,388.26/x - Step 3: Cross multiply
89,773.26x = 134,645.30 × 42,388.26 - Step 4: Simplify right side
89,773.26x = 5,707,379,772.24 - Step 5: Solve for x
x = 5,707,379,772.24/89,773.26 - Step 6: Final answer
x = 63,575.50
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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.