Finding the Fourth Proportional to 93,660.49, 129,198.86 and 57,824.98
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Solution
The fourth proportional to 93,660.49, 129,198.86 and 57,824.98 is: 79,765.99
Step by Step Solution
- Step 1: Write the proportion equation
93,660.49 : 129,198.86 = 57,824.98 : x - Step 2: Convert to fraction form
93,660.49/129,198.86 = 57,824.98/x - Step 3: Cross multiply
93,660.49x = 129,198.86 × 57,824.98 - Step 4: Simplify right side
93,660.49x = 7,470,921,495.52 - Step 5: Solve for x
x = 7,470,921,495.52/93,660.49 - Step 6: Final answer
x = 79,765.99
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1.5x scale
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.