Finding the Fourth Proportional to 75,663.37, 104,303.37 and 48,435.44
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Solution
The fourth proportional to 75,663.37, 104,303.37 and 48,435.44 is: 66,769.17
Step by Step Solution
- Step 1: Write the proportion equation
75,663.37 : 104,303.37 = 48,435.44 : x - Step 2: Convert to fraction form
75,663.37/104,303.37 = 48,435.44/x - Step 3: Cross multiply
75,663.37x = 104,303.37 × 48,435.44 - Step 4: Simplify right side
75,663.37x = 5,051,980,061.82 - Step 5: Solve for x
x = 5,051,980,061.82/75,663.37 - Step 6: Final answer
x = 66,769.17
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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.