Finding the Fourth Proportional to 75,729.84, 104,510.70 and 43,908.72
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Solution
The fourth proportional to 75,729.84, 104,510.70 and 43,908.72 is: 60,596.07
Step by Step Solution
- Step 1: Write the proportion equation
75,729.84 : 104,510.70 = 43,908.72 : x - Step 2: Convert to fraction form
75,729.84/104,510.70 = 43,908.72/x - Step 3: Cross multiply
75,729.84x = 104,510.70 × 43,908.72 - Step 4: Simplify right side
75,729.84x = 4,588,931,063.30 - Step 5: Solve for x
x = 4,588,931,063.30/75,729.84 - Step 6: Final answer
x = 60,596.07
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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.