Finding the Fourth Proportional to 96,559.76, 133,112.84 and 67,791.84
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Solution
The fourth proportional to 96,559.76, 133,112.84 and 67,791.84 is: 93,454.71
Step by Step Solution
- Step 1: Write the proportion equation
96,559.76 : 133,112.84 = 67,791.84 : x - Step 2: Convert to fraction form
96,559.76/133,112.84 = 67,791.84/x - Step 3: Cross multiply
96,559.76x = 133,112.84 × 67,791.84 - Step 4: Simplify right side
96,559.76x = 9,023,964,351.23 - Step 5: Solve for x
x = 9,023,964,351.23/96,559.76 - Step 6: Final answer
x = 93,454.71
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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.