Finding the Fourth Proportional to 97,035.68, 145,589.12 and 40,889.92
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Solution
The fourth proportional to 97,035.68, 145,589.12 and 40,889.92 is: 61,349.88
Step by Step Solution
- Step 1: Write the proportion equation
97,035.68 : 145,589.12 = 40,889.92 : x - Step 2: Convert to fraction form
97,035.68/145,589.12 = 40,889.92/x - Step 3: Cross multiply
97,035.68x = 145,589.12 × 40,889.92 - Step 4: Simplify right side
97,035.68x = 5,953,127,469.67 - Step 5: Solve for x
x = 5,953,127,469.67/97,035.68 - Step 6: Final answer
x = 61,349.88
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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.