Finding the Fourth Proportional to 96,391.41, 133,020.13 and 53,949.95
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Solution
The fourth proportional to 96,391.41, 133,020.13 and 53,949.95 is: 74,450.92
Step by Step Solution
- Step 1: Write the proportion equation
96,391.41 : 133,020.13 = 53,949.95 : x - Step 2: Convert to fraction form
96,391.41/133,020.13 = 53,949.95/x - Step 3: Cross multiply
96,391.41x = 133,020.13 × 53,949.95 - Step 4: Simplify right side
96,391.41x = 7,176,429,362.49 - Step 5: Solve for x
x = 7,176,429,362.49/96,391.41 - Step 6: Final answer
x = 74,450.92
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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.