Finding the Fourth Proportional to 75,077.99, 103,692.66 and 51,163.15
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Solution
The fourth proportional to 75,077.99, 103,692.66 and 51,163.15 is: 70,663.09
Step by Step Solution
- Step 1: Write the proportion equation
75,077.99 : 103,692.66 = 51,163.15 : x - Step 2: Convert to fraction form
75,077.99/103,692.66 = 51,163.15/x - Step 3: Cross multiply
75,077.99x = 103,692.66 × 51,163.15 - Step 4: Simplify right side
75,077.99x = 5,305,243,117.48 - Step 5: Solve for x
x = 5,305,243,117.48/75,077.99 - Step 6: Final answer
x = 70,663.09
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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.