Finding the Fourth Proportional to 86,363.68, 119,177.32 and 48,635.52
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Solution
The fourth proportional to 86,363.68, 119,177.32 and 48,635.52 is: 67,114.45
Step by Step Solution
- Step 1: Write the proportion equation
86,363.68 : 119,177.32 = 48,635.52 : x - Step 2: Convert to fraction form
86,363.68/119,177.32 = 48,635.52/x - Step 3: Cross multiply
86,363.68x = 119,177.32 × 48,635.52 - Step 4: Simplify right side
86,363.68x = 5,796,250,930.41 - Step 5: Solve for x
x = 5,796,250,930.41/86,363.68 - Step 6: Final answer
x = 67,114.45
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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.