Finding the Fourth Proportional to 90,982.68, 136,396.26 and 59,749.08
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Solution
The fourth proportional to 90,982.68, 136,396.26 and 59,749.08 is: 89,572.55
Step by Step Solution
- Step 1: Write the proportion equation
90,982.68 : 136,396.26 = 59,749.08 : x - Step 2: Convert to fraction form
90,982.68/136,396.26 = 59,749.08/x - Step 3: Cross multiply
90,982.68x = 136,396.26 × 59,749.08 - Step 4: Simplify right side
90,982.68x = 8,149,551,050.44 - Step 5: Solve for x
x = 8,149,551,050.44/90,982.68 - Step 6: Final answer
x = 89,572.55
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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.