Finding the Fourth Proportional to 96,559.36, 133,252.56 and 54,119.68
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Solution
The fourth proportional to 96,559.36, 133,252.56 and 54,119.68 is: 74,685.52
Step by Step Solution
- Step 1: Write the proportion equation
96,559.36 : 133,252.56 = 54,119.68 : x - Step 2: Convert to fraction form
96,559.36/133,252.56 = 54,119.68/x - Step 3: Cross multiply
96,559.36x = 133,252.56 × 54,119.68 - Step 4: Simplify right side
96,559.36x = 7,211,585,906.38 - Step 5: Solve for x
x = 7,211,585,906.38/96,559.36 - Step 6: Final answer
x = 74,685.52
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Double scale
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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.