Finding the Fourth Proportional to 79,577.16, 119,341.36 and 26,259.31
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Solution
The fourth proportional to 79,577.16, 119,341.36 and 26,259.31 is: 39,380.92
Step by Step Solution
- Step 1: Write the proportion equation
79,577.16 : 119,341.36 = 26,259.31 : x - Step 2: Convert to fraction form
79,577.16/119,341.36 = 26,259.31/x - Step 3: Cross multiply
79,577.16x = 119,341.36 × 26,259.31 - Step 4: Simplify right side
79,577.16x = 3,133,821,768.06 - Step 5: Solve for x
x = 3,133,821,768.06/79,577.16 - Step 6: Final answer
x = 39,380.92
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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.