Finding the Fourth Proportional to 98,545.43, 147,750.69 and 35,364.13
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Solution
The fourth proportional to 98,545.43, 147,750.69 and 35,364.13 is: 53,021.99
Step by Step Solution
- Step 1: Write the proportion equation
98,545.43 : 147,750.69 = 35,364.13 : x - Step 2: Convert to fraction form
98,545.43/147,750.69 = 35,364.13/x - Step 3: Cross multiply
98,545.43x = 147,750.69 × 35,364.13 - Step 4: Simplify right side
98,545.43x = 5,225,074,608.75 - Step 5: Solve for x
x = 5,225,074,608.75/98,545.43 - Step 6: Final answer
x = 53,021.99
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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.