Finding the Fourth Proportional to 79,548.05, 119,319.93 and 19,577.06
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Solution
The fourth proportional to 79,548.05, 119,319.93 and 19,577.06 is: 29,365.06
Step by Step Solution
- Step 1: Write the proportion equation
79,548.05 : 119,319.93 = 19,577.06 : x - Step 2: Convert to fraction form
79,548.05/119,319.93 = 19,577.06/x - Step 3: Cross multiply
79,548.05x = 119,319.93 × 19,577.06 - Step 4: Simplify right side
79,548.05x = 2,335,932,832.21 - Step 5: Solve for x
x = 2,335,932,832.21/79,548.05 - Step 6: Final answer
x = 29,365.06
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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.