Finding the Fourth Proportional to 73,003.67, 109,587.56 and 56,561.99
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Solution
The fourth proportional to 73,003.67, 109,587.56 and 56,561.99 is: 84,906.55
Step by Step Solution
- Step 1: Write the proportion equation
73,003.67 : 109,587.56 = 56,561.99 : x - Step 2: Convert to fraction form
73,003.67/109,587.56 = 56,561.99/x - Step 3: Cross multiply
73,003.67x = 109,587.56 × 56,561.99 - Step 4: Simplify right side
73,003.67x = 6,198,489,642.10 - Step 5: Solve for x
x = 6,198,489,642.10/73,003.67 - Step 6: Final answer
x = 84,906.55
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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.