Finding the Fourth Proportional to 88,529.57, 122,169.29 and 48,243.68
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Solution
The fourth proportional to 88,529.57, 122,169.29 and 48,243.68 is: 66,575.45
Step by Step Solution
- Step 1: Write the proportion equation
88,529.57 : 122,169.29 = 48,243.68 : x - Step 2: Convert to fraction form
88,529.57/122,169.29 = 48,243.68/x - Step 3: Cross multiply
88,529.57x = 122,169.29 × 48,243.68 - Step 4: Simplify right side
88,529.57x = 5,893,895,280.52 - Step 5: Solve for x
x = 5,893,895,280.52/88,529.57 - Step 6: Final answer
x = 66,575.45
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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.