Finding the Fourth Proportional to 79,711.05, 110,006.23 and 43,901.05
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Solution
The fourth proportional to 79,711.05, 110,006.23 and 43,901.05 is: 60,586.19
Step by Step Solution
- Step 1: Write the proportion equation
79,711.05 : 110,006.23 = 43,901.05 : x - Step 2: Convert to fraction form
79,711.05/110,006.23 = 43,901.05/x - Step 3: Cross multiply
79,711.05x = 110,006.23 × 43,901.05 - Step 4: Simplify right side
79,711.05x = 4,829,389,003.54 - Step 5: Solve for x
x = 4,829,389,003.54/79,711.05 - Step 6: Final answer
x = 60,586.19
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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.