Finding the Fourth Proportional to 96,318.49, 133,046.51 and 73,934.08
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Solution
The fourth proportional to 96,318.49, 133,046.51 and 73,934.08 is: 102,126.51
Step by Step Solution
- Step 1: Write the proportion equation
96,318.49 : 133,046.51 = 73,934.08 : x - Step 2: Convert to fraction form
96,318.49/133,046.51 = 73,934.08/x - Step 3: Cross multiply
96,318.49x = 133,046.51 × 73,934.08 - Step 4: Simplify right side
96,318.49x = 9,836,671,314.06 - Step 5: Solve for x
x = 9,836,671,314.06/96,318.49 - Step 6: Final answer
x = 102,126.51
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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.