Finding the Fourth Proportional to 96,568.74, 133,277.40 and 54,136.08
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Solution
The fourth proportional to 96,568.74, 133,277.40 and 54,136.08 is: 74,714.82
Step by Step Solution
- Step 1: Write the proportion equation
96,568.74 : 133,277.40 = 54,136.08 : x - Step 2: Convert to fraction form
96,568.74/133,277.40 = 54,136.08/x - Step 3: Cross multiply
96,568.74x = 133,277.40 × 54,136.08 - Step 4: Simplify right side
96,568.74x = 7,215,115,988.59 - Step 5: Solve for x
x = 7,215,115,988.59/96,568.74 - Step 6: Final answer
x = 74,714.82
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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.