Finding the Fourth Proportional to 104,622.84, 144,379.62 and 56,876.04
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Solution
The fourth proportional to 104,622.84, 144,379.62 and 56,876.04 is: 78,488.99
Step by Step Solution
- Step 1: Write the proportion equation
104,622.84 : 144,379.62 = 56,876.04 : x - Step 2: Convert to fraction form
104,622.84/144,379.62 = 56,876.04/x - Step 3: Cross multiply
104,622.84x = 144,379.62 × 56,876.04 - Step 4: Simplify right side
104,622.84x = 8,211,741,042.30 - Step 5: Solve for x
x = 8,211,741,042.30/104,622.84 - Step 6: Final answer
x = 78,488.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.