Finding the Fourth Proportional to 73,707.64, 110,545.26 and 29,326.12
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Solution
The fourth proportional to 73,707.64, 110,545.26 and 29,326.12 is: 43,982.73
Step by Step Solution
- Step 1: Write the proportion equation
73,707.64 : 110,545.26 = 29,326.12 : x - Step 2: Convert to fraction form
73,707.64/110,545.26 = 29,326.12/x - Step 3: Cross multiply
73,707.64x = 110,545.26 × 29,326.12 - Step 4: Simplify right side
73,707.64x = 3,241,863,560.19 - Step 5: Solve for x
x = 3,241,863,560.19/73,707.64 - Step 6: Final answer
x = 43,982.73
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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.