Finding the Fourth Proportional to 76,283.07, 105,267.73 and 42,292.07
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Solution
The fourth proportional to 76,283.07, 105,267.73 and 42,292.07 is: 58,361.45
Step by Step Solution
- Step 1: Write the proportion equation
76,283.07 : 105,267.73 = 42,292.07 : x - Step 2: Convert to fraction form
76,283.07/105,267.73 = 42,292.07/x - Step 3: Cross multiply
76,283.07x = 105,267.73 × 42,292.07 - Step 4: Simplify right side
76,283.07x = 4,451,990,205.90 - Step 5: Solve for x
x = 4,451,990,205.90/76,283.07 - Step 6: Final answer
x = 58,361.45
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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.