Finding the Fourth Proportional to 73,543.11, 110,303.12 and 20,239.08
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Solution
The fourth proportional to 73,543.11, 110,303.12 and 20,239.08 is: 30,355.44
Step by Step Solution
- Step 1: Write the proportion equation
73,543.11 : 110,303.12 = 20,239.08 : x - Step 2: Convert to fraction form
73,543.11/110,303.12 = 20,239.08/x - Step 3: Cross multiply
73,543.11x = 110,303.12 × 20,239.08 - Step 4: Simplify right side
73,543.11x = 2,232,433,306.89 - Step 5: Solve for x
x = 2,232,433,306.89/73,543.11 - Step 6: Final answer
x = 30,355.44
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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.