Finding the Fourth Proportional to 79,337.68, 109,488.36 and 43,529.92
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Solution
The fourth proportional to 79,337.68, 109,488.36 and 43,529.92 is: 60,072.59
Step by Step Solution
- Step 1: Write the proportion equation
79,337.68 : 109,488.36 = 43,529.92 : x - Step 2: Convert to fraction form
79,337.68/109,488.36 = 43,529.92/x - Step 3: Cross multiply
79,337.68x = 109,488.36 × 43,529.92 - Step 4: Simplify right side
79,337.68x = 4,766,019,551.73 - Step 5: Solve for x
x = 4,766,019,551.73/79,337.68 - Step 6: Final answer
x = 60,072.59
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1.5x scale
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.