Finding the Fourth Proportional to 93,880.99, 129,282.72 and 87,877.66
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Solution
The fourth proportional to 93,880.99, 129,282.72 and 87,877.66 is: 121,015.58
Step by Step Solution
- Step 1: Write the proportion equation
93,880.99 : 129,282.72 = 87,877.66 : x - Step 2: Convert to fraction form
93,880.99/129,282.72 = 87,877.66/x - Step 3: Cross multiply
93,880.99x = 129,282.72 × 87,877.66 - Step 4: Simplify right side
93,880.99x = 11,361,062,912.04 - Step 5: Solve for x
x = 11,361,062,912.04/93,880.99 - Step 6: Final answer
x = 121,015.58
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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.