Finding the Fourth Proportional to 80,008.12, 110,395.98 and 48,179.08
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Solution
The fourth proportional to 80,008.12, 110,395.98 and 48,179.08 is: 66,477.96
Step by Step Solution
- Step 1: Write the proportion equation
80,008.12 : 110,395.98 = 48,179.08 : x - Step 2: Convert to fraction form
80,008.12/110,395.98 = 48,179.08/x - Step 3: Cross multiply
80,008.12x = 110,395.98 × 48,179.08 - Step 4: Simplify right side
80,008.12x = 5,318,776,752.10 - Step 5: Solve for x
x = 5,318,776,752.10/80,008.12 - Step 6: Final answer
x = 66,477.96
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1.5x scale
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.