Finding the Fourth Proportional to 98,130.43, 147,094.66 and 39,007.99
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Solution
The fourth proportional to 98,130.43, 147,094.66 and 39,007.99 is: 58,471.84
Step by Step Solution
- Step 1: Write the proportion equation
98,130.43 : 147,094.66 = 39,007.99 : x - Step 2: Convert to fraction form
98,130.43/147,094.66 = 39,007.99/x - Step 3: Cross multiply
98,130.43x = 147,094.66 × 39,007.99 - Step 4: Simplify right side
98,130.43x = 5,737,866,095.82 - Step 5: Solve for x
x = 5,737,866,095.82/98,130.43 - Step 6: Final answer
x = 58,471.84
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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.