Finding the Fourth Proportional to 96,625.50, 133,297.80 and 68,346.78
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Solution
The fourth proportional to 96,625.50, 133,297.80 and 68,346.78 is: 94,286.45
Step by Step Solution
- Step 1: Write the proportion equation
96,625.50 : 133,297.80 = 68,346.78 : x - Step 2: Convert to fraction form
96,625.50/133,297.80 = 68,346.78/x - Step 3: Cross multiply
96,625.50x = 133,297.80 × 68,346.78 - Step 4: Simplify right side
96,625.50x = 9,110,475,411.08 - Step 5: Solve for x
x = 9,110,475,411.08/96,625.50 - Step 6: Final answer
x = 94,286.45
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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.