Finding the Fourth Proportional to 74,758.08, 103,164.12 and 40,767.48
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Solution
The fourth proportional to 74,758.08, 103,164.12 and 40,767.48 is: 56,258.02
Step by Step Solution
- Step 1: Write the proportion equation
74,758.08 : 103,164.12 = 40,767.48 : x - Step 2: Convert to fraction form
74,758.08/103,164.12 = 40,767.48/x - Step 3: Cross multiply
74,758.08x = 103,164.12 × 40,767.48 - Step 4: Simplify right side
74,758.08x = 4,205,741,198.82 - Step 5: Solve for x
x = 4,205,741,198.82/74,758.08 - Step 6: Final answer
x = 56,258.02
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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.