Finding the Fourth Proportional to 103,704.08, 143,110.08 and 58,382.12
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Solution
The fourth proportional to 103,704.08, 143,110.08 and 58,382.12 is: 80,566.45
Step by Step Solution
- Step 1: Write the proportion equation
103,704.08 : 143,110.08 = 58,382.12 : x - Step 2: Convert to fraction form
103,704.08/143,110.08 = 58,382.12/x - Step 3: Cross multiply
103,704.08x = 143,110.08 × 58,382.12 - Step 4: Simplify right side
103,704.08x = 8,355,069,863.77 - Step 5: Solve for x
x = 8,355,069,863.77/103,704.08 - Step 6: Final answer
x = 80,566.45
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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.