Finding the Fourth Proportional to 75,403.87, 104,058.52 and 41,415.84
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Solution
The fourth proportional to 75,403.87, 104,058.52 and 41,415.84 is: 57,154.51
Step by Step Solution
- Step 1: Write the proportion equation
75,403.87 : 104,058.52 = 41,415.84 : x - Step 2: Convert to fraction form
75,403.87/104,058.52 = 41,415.84/x - Step 3: Cross multiply
75,403.87x = 104,058.52 × 41,415.84 - Step 4: Simplify right side
75,403.87x = 4,309,670,911.42 - Step 5: Solve for x
x = 4,309,670,911.42/75,403.87 - Step 6: Final answer
x = 57,154.51
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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.