Finding the Fourth Proportional to 91,083.99, 136,368.39 and 48,291.94
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Solution
The fourth proportional to 91,083.99, 136,368.39 and 48,291.94 is: 72,301.34
Step by Step Solution
- Step 1: Write the proportion equation
91,083.99 : 136,368.39 = 48,291.94 : x - Step 2: Convert to fraction form
91,083.99/136,368.39 = 48,291.94/x - Step 3: Cross multiply
91,083.99x = 136,368.39 × 48,291.94 - Step 4: Simplify right side
91,083.99x = 6,585,494,107.78 - Step 5: Solve for x
x = 6,585,494,107.78/91,083.99 - Step 6: Final answer
x = 72,301.34
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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.