Finding the Fourth Proportional to 85,233.17, 127,893.57 and 65,370.26
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Solution
The fourth proportional to 85,233.17, 127,893.57 and 65,370.26 is: 98,088.99
Step by Step Solution
- Step 1: Write the proportion equation
85,233.17 : 127,893.57 = 65,370.26 : x - Step 2: Convert to fraction form
85,233.17/127,893.57 = 65,370.26/x - Step 3: Cross multiply
85,233.17x = 127,893.57 × 65,370.26 - Step 4: Simplify right side
85,233.17x = 8,360,435,923.23 - Step 5: Solve for x
x = 8,360,435,923.23/85,233.17 - Step 6: Final answer
x = 98,088.99
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1.5x scale
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.