Finding the Fourth Proportional to 75,892.87, 113,836.99 and 19,731.74
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Solution
The fourth proportional to 75,892.87, 113,836.99 and 19,731.74 is: 29,597.00
Step by Step Solution
- Step 1: Write the proportion equation
75,892.87 : 113,836.99 = 19,731.74 : x - Step 2: Convert to fraction form
75,892.87/113,836.99 = 19,731.74/x - Step 3: Cross multiply
75,892.87x = 113,836.99 × 19,731.74 - Step 4: Simplify right side
75,892.87x = 2,246,201,319.88 - Step 5: Solve for x
x = 2,246,201,319.88/75,892.87 - Step 6: Final answer
x = 29,597.00
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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.