Finding the Fourth Proportional to 75,372.66, 104,009.67 and 41,374.53
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Solution
The fourth proportional to 75,372.66, 104,009.67 and 41,374.53 is: 57,094.33
Step by Step Solution
- Step 1: Write the proportion equation
75,372.66 : 104,009.67 = 41,374.53 : x - Step 2: Convert to fraction form
75,372.66/104,009.67 = 41,374.53/x - Step 3: Cross multiply
75,372.66x = 104,009.67 × 41,374.53 - Step 4: Simplify right side
75,372.66x = 4,303,351,211.71 - Step 5: Solve for x
x = 4,303,351,211.71/75,372.66 - Step 6: Final answer
x = 57,094.33
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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.