Finding the Fourth Proportional to 85,652.62, 128,446.98 and 29,476.84
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Solution
The fourth proportional to 85,652.62, 128,446.98 and 29,476.84 is: 44,204.26
Step by Step Solution
- Step 1: Write the proportion equation
85,652.62 : 128,446.98 = 29,476.84 : x - Step 2: Convert to fraction form
85,652.62/128,446.98 = 29,476.84/x - Step 3: Cross multiply
85,652.62x = 128,446.98 × 29,476.84 - Step 4: Simplify right side
85,652.62x = 3,786,211,077.94 - Step 5: Solve for x
x = 3,786,211,077.94/85,652.62 - Step 6: Final answer
x = 44,204.26
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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.