Finding the Fourth Proportional to 96,555.29, 133,238.97 and 54,105.62
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Solution
The fourth proportional to 96,555.29, 133,238.97 and 54,105.62 is: 74,661.65
Step by Step Solution
- Step 1: Write the proportion equation
96,555.29 : 133,238.97 = 54,105.62 : x - Step 2: Convert to fraction form
96,555.29/133,238.97 = 54,105.62/x - Step 3: Cross multiply
96,555.29x = 133,238.97 × 54,105.62 - Step 4: Simplify right side
96,555.29x = 7,208,977,080.01 - Step 5: Solve for x
x = 7,208,977,080.01/96,555.29 - Step 6: Final answer
x = 74,661.65
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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.