Finding the Fourth Proportional to 75,717.18, 104,492.07 and 43,457.67
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Solution
The fourth proportional to 75,717.18, 104,492.07 and 43,457.67 is: 59,972.94
Step by Step Solution
- Step 1: Write the proportion equation
75,717.18 : 104,492.07 = 43,457.67 : x - Step 2: Convert to fraction form
75,717.18/104,492.07 = 43,457.67/x - Step 3: Cross multiply
75,717.18x = 104,492.07 × 43,457.67 - Step 4: Simplify right side
75,717.18x = 4,540,981,895.68 - Step 5: Solve for x
x = 4,540,981,895.68/75,717.18 - Step 6: Final answer
x = 59,972.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.