Finding the Fourth Proportional to 68,553.55, 102,830.12 and 24,169.60
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Solution
The fourth proportional to 68,553.55, 102,830.12 and 24,169.60 is: 36,254.32
Step by Step Solution
- Step 1: Write the proportion equation
68,553.55 : 102,830.12 = 24,169.60 : x - Step 2: Convert to fraction form
68,553.55/102,830.12 = 24,169.60/x - Step 3: Cross multiply
68,553.55x = 102,830.12 × 24,169.60 - Step 4: Simplify right side
68,553.55x = 2,485,362,581.06 - Step 5: Solve for x
x = 2,485,362,581.06/68,553.55 - Step 6: Final answer
x = 36,254.32
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1.5x scale
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.