Finding the Fourth Proportional to 91,032.97, 136,519.92 and 34,870.09
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Solution
The fourth proportional to 91,032.97, 136,519.92 and 34,870.09 is: 52,293.82
Step by Step Solution
- Step 1: Write the proportion equation
91,032.97 : 136,519.92 = 34,870.09 : x - Step 2: Convert to fraction form
91,032.97/136,519.92 = 34,870.09/x - Step 3: Cross multiply
91,032.97x = 136,519.92 × 34,870.09 - Step 4: Simplify right side
91,032.97x = 4,760,461,897.19 - Step 5: Solve for x
x = 4,760,461,897.19/91,032.97 - Step 6: Final answer
x = 52,293.82
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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.