Finding the Fourth Proportional to 98,513.97, 147,791.71 and 31,948.91
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Solution
The fourth proportional to 98,513.97, 147,791.71 and 31,948.91 is: 47,930.09
Step by Step Solution
- Step 1: Write the proportion equation
98,513.97 : 147,791.71 = 31,948.91 : x - Step 2: Convert to fraction form
98,513.97/147,791.71 = 31,948.91/x - Step 3: Cross multiply
98,513.97x = 147,791.71 × 31,948.91 - Step 4: Simplify right side
98,513.97x = 4,721,783,896.73 - Step 5: Solve for x
x = 4,721,783,896.73/98,513.97 - Step 6: Final answer
x = 47,930.09
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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.