Finding the Fourth Proportional to 96,572.76, 133,278.72 and 54,139.44
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Solution
The fourth proportional to 96,572.76, 133,278.72 and 54,139.44 is: 74,717.09
Step by Step Solution
- Step 1: Write the proportion equation
96,572.76 : 133,278.72 = 54,139.44 : x - Step 2: Convert to fraction form
96,572.76/133,278.72 = 54,139.44/x - Step 3: Cross multiply
96,572.76x = 133,278.72 × 54,139.44 - Step 4: Simplify right side
96,572.76x = 7,215,635,264.72 - Step 5: Solve for x
x = 7,215,635,264.72/96,572.76 - Step 6: Final answer
x = 74,717.09
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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.