Finding the Fourth Proportional to 75,625.93, 113,240.71 and 53,318.53
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Solution
The fourth proportional to 75,625.93, 113,240.71 and 53,318.53 is: 79,838.07
Step by Step Solution
- Step 1: Write the proportion equation
75,625.93 : 113,240.71 = 53,318.53 : x - Step 2: Convert to fraction form
75,625.93/113,240.71 = 53,318.53/x - Step 3: Cross multiply
75,625.93x = 113,240.71 × 53,318.53 - Step 4: Simplify right side
75,625.93x = 6,037,828,193.36 - Step 5: Solve for x
x = 6,037,828,193.36/75,625.93 - Step 6: Final answer
x = 79,838.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.