Finding the Fourth Proportional to 76,209.18, 114,198.97 and 67,904.07
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Solution
The fourth proportional to 76,209.18, 114,198.97 and 67,904.07 is: 101,753.82
Step by Step Solution
- Step 1: Write the proportion equation
76,209.18 : 114,198.97 = 67,904.07 : x - Step 2: Convert to fraction form
76,209.18/114,198.97 = 67,904.07/x - Step 3: Cross multiply
76,209.18x = 114,198.97 × 67,904.07 - Step 4: Simplify right side
76,209.18x = 7,754,574,852.81 - Step 5: Solve for x
x = 7,754,574,852.81/76,209.18 - Step 6: Final answer
x = 101,753.82
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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.