Finding the Fourth Proportional to 104,051.80, 143,591.99 and 58,731.70
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Solution
The fourth proportional to 104,051.80, 143,591.99 and 58,731.70 is: 81,050.03
Step by Step Solution
- Step 1: Write the proportion equation
104,051.80 : 143,591.99 = 58,731.70 : x - Step 2: Convert to fraction form
104,051.80/143,591.99 = 58,731.70/x - Step 3: Cross multiply
104,051.80x = 143,591.99 × 58,731.70 - Step 4: Simplify right side
104,051.80x = 8,433,401,679.08 - Step 5: Solve for x
x = 8,433,401,679.08/104,051.80 - Step 6: Final answer
x = 81,050.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.