Finding the Fourth Proportional to 89,075.21, 133,625.11 and 29,927.79
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Solution
The fourth proportional to 89,075.21, 133,625.11 and 29,927.79 is: 44,895.82
Step by Step Solution
- Step 1: Write the proportion equation
89,075.21 : 133,625.11 = 29,927.79 : x - Step 2: Convert to fraction form
89,075.21/133,625.11 = 29,927.79/x - Step 3: Cross multiply
89,075.21x = 133,625.11 × 29,927.79 - Step 4: Simplify right side
89,075.21x = 3,999,104,230.81 - Step 5: Solve for x
x = 3,999,104,230.81/89,075.21 - Step 6: Final answer
x = 44,895.82
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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.