Finding the Fourth Proportional to 75,810.58, 104,637.36 and 51,651.52
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Solution
The fourth proportional to 75,810.58, 104,637.36 and 51,651.52 is: 71,291.88
Step by Step Solution
- Step 1: Write the proportion equation
75,810.58 : 104,637.36 = 51,651.52 : x - Step 2: Convert to fraction form
75,810.58/104,637.36 = 51,651.52/x - Step 3: Cross multiply
75,810.58x = 104,637.36 × 51,651.52 - Step 4: Simplify right side
75,810.58x = 5,404,678,692.79 - Step 5: Solve for x
x = 5,404,678,692.79/75,810.58 - Step 6: Final answer
x = 71,291.88
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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.