Finding the Fourth Proportional to 96,451.68, 133,105.68 and 54,018.84
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Solution
The fourth proportional to 96,451.68, 133,105.68 and 54,018.84 is: 74,547.32
Step by Step Solution
- Step 1: Write the proportion equation
96,451.68 : 133,105.68 = 54,018.84 : x - Step 2: Convert to fraction form
96,451.68/133,105.68 = 54,018.84/x - Step 3: Cross multiply
96,451.68x = 133,105.68 × 54,018.84 - Step 4: Simplify right side
96,451.68x = 7,190,214,431.01 - Step 5: Solve for x
x = 7,190,214,431.01/96,451.68 - Step 6: Final answer
x = 74,547.32
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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.