Finding the Fourth Proportional to 97,129.32, 145,695.90 and 27,007.64
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Solution
The fourth proportional to 97,129.32, 145,695.90 and 27,007.64 is: 40,511.99
Step by Step Solution
- Step 1: Write the proportion equation
97,129.32 : 145,695.90 = 27,007.64 : x - Step 2: Convert to fraction form
97,129.32/145,695.90 = 27,007.64/x - Step 3: Cross multiply
97,129.32x = 145,695.90 × 27,007.64 - Step 4: Simplify right side
97,129.32x = 3,934,902,416.68 - Step 5: Solve for x
x = 3,934,902,416.68/97,129.32 - Step 6: Final answer
x = 40,511.99
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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.