Finding the Fourth Proportional to 91,137.05, 136,705.19 and 24,583.91
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Solution
The fourth proportional to 91,137.05, 136,705.19 and 24,583.91 is: 36,875.75
Step by Step Solution
- Step 1: Write the proportion equation
91,137.05 : 136,705.19 = 24,583.91 : x - Step 2: Convert to fraction form
91,137.05/136,705.19 = 24,583.91/x - Step 3: Cross multiply
91,137.05x = 136,705.19 × 24,583.91 - Step 4: Simplify right side
91,137.05x = 3,360,747,281.05 - Step 5: Solve for x
x = 3,360,747,281.05/91,137.05 - Step 6: Final answer
x = 36,875.75
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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.