Finding the Fourth Proportional to 79,889.76, 119,837.60 and 29,964.80
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Solution
The fourth proportional to 79,889.76, 119,837.60 and 29,964.80 is: 44,948.31
Step by Step Solution
- Step 1: Write the proportion equation
79,889.76 : 119,837.60 = 29,964.80 : x - Step 2: Convert to fraction form
79,889.76/119,837.60 = 29,964.80/x - Step 3: Cross multiply
79,889.76x = 119,837.60 × 29,964.80 - Step 4: Simplify right side
79,889.76x = 3,590,909,716.48 - Step 5: Solve for x
x = 3,590,909,716.48/79,889.76 - Step 6: Final answer
x = 44,948.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.