Finding the Fourth Proportional to 79,145.80, 118,699.50 and 26,541.64
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Solution
The fourth proportional to 79,145.80, 118,699.50 and 26,541.64 is: 39,806.02
Step by Step Solution
- Step 1: Write the proportion equation
79,145.80 : 118,699.50 = 26,541.64 : x - Step 2: Convert to fraction form
79,145.80/118,699.50 = 26,541.64/x - Step 3: Cross multiply
79,145.80x = 118,699.50 × 26,541.64 - Step 4: Simplify right side
79,145.80x = 3,150,479,397.18 - Step 5: Solve for x
x = 3,150,479,397.18/79,145.80 - Step 6: Final answer
x = 39,806.02
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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.