Finding the Fourth Proportional to 79,873.44, 119,775.16 and 29,918.48
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Solution
The fourth proportional to 79,873.44, 119,775.16 and 29,918.48 is: 44,864.61
Step by Step Solution
- Step 1: Write the proportion equation
79,873.44 : 119,775.16 = 29,918.48 : x - Step 2: Convert to fraction form
79,873.44/119,775.16 = 29,918.48/x - Step 3: Cross multiply
79,873.44x = 119,775.16 × 29,918.48 - Step 4: Simplify right side
79,873.44x = 3,583,490,728.96 - Step 5: Solve for x
x = 3,583,490,728.96/79,873.44 - Step 6: Final answer
x = 44,864.61
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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.