Finding the Fourth Proportional to 86,604.57, 119,511.97 and 48,363.05
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Solution
The fourth proportional to 86,604.57, 119,511.97 and 48,363.05 is: 66,739.70
Step by Step Solution
- Step 1: Write the proportion equation
86,604.57 : 119,511.97 = 48,363.05 : x - Step 2: Convert to fraction form
86,604.57/119,511.97 = 48,363.05/x - Step 3: Cross multiply
86,604.57x = 119,511.97 × 48,363.05 - Step 4: Simplify right side
86,604.57x = 5,779,963,380.71 - Step 5: Solve for x
x = 5,779,963,380.71/86,604.57 - Step 6: Final answer
x = 66,739.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.