Finding the Fourth Proportional to 79,291.70, 109,425.70 and 43,482.99
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Solution
The fourth proportional to 79,291.70, 109,425.70 and 43,482.99 is: 60,008.26
Step by Step Solution
- Step 1: Write the proportion equation
79,291.70 : 109,425.70 = 43,482.99 : x - Step 2: Convert to fraction form
79,291.70/109,425.70 = 43,482.99/x - Step 3: Cross multiply
79,291.70x = 109,425.70 × 43,482.99 - Step 4: Simplify right side
79,291.70x = 4,758,156,618.84 - Step 5: Solve for x
x = 4,758,156,618.84/79,291.70 - Step 6: Final answer
x = 60,008.26
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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.