Finding the Fourth Proportional to 96,660.94, 133,392.84 and 53,640.61
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Solution
The fourth proportional to 96,660.94, 133,392.84 and 53,640.61 is: 74,024.45
Step by Step Solution
- Step 1: Write the proportion equation
96,660.94 : 133,392.84 = 53,640.61 : x - Step 2: Convert to fraction form
96,660.94/133,392.84 = 53,640.61/x - Step 3: Cross multiply
96,660.94x = 133,392.84 × 53,640.61 - Step 4: Simplify right side
96,660.94x = 7,155,273,307.23 - Step 5: Solve for x
x = 7,155,273,307.23/96,660.94 - Step 6: Final answer
x = 74,024.45
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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.