Finding the Fourth Proportional to 71,383.41, 107,075.87 and 29,252.67
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Solution
The fourth proportional to 71,383.41, 107,075.87 and 29,252.67 is: 43,879.32
Step by Step Solution
- Step 1: Write the proportion equation
71,383.41 : 107,075.87 = 29,252.67 : x - Step 2: Convert to fraction form
71,383.41/107,075.87 = 29,252.67/x - Step 3: Cross multiply
71,383.41x = 107,075.87 × 29,252.67 - Step 4: Simplify right side
71,383.41x = 3,132,254,943.81 - Step 5: Solve for x
x = 3,132,254,943.81/71,383.41 - Step 6: Final answer
x = 43,879.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.