Finding the Fourth Proportional to 80,079.08, 110,506.98 and 43,779.08
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Solution
The fourth proportional to 80,079.08, 110,506.98 and 43,779.08 is: 60,413.95
Step by Step Solution
- Step 1: Write the proportion equation
80,079.08 : 110,506.98 = 43,779.08 : x - Step 2: Convert to fraction form
80,079.08/110,506.98 = 43,779.08/x - Step 3: Cross multiply
80,079.08x = 110,506.98 × 43,779.08 - Step 4: Simplify right side
80,079.08x = 4,837,893,917.98 - Step 5: Solve for x
x = 4,837,893,917.98/80,079.08 - Step 6: Final answer
x = 60,413.95
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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.