Finding the Fourth Proportional to 71,952.18, 107,927.58 and 40,362.18
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Solution
The fourth proportional to 71,952.18, 107,927.58 and 40,362.18 is: 60,542.88
Step by Step Solution
- Step 1: Write the proportion equation
71,952.18 : 107,927.58 = 40,362.18 : x - Step 2: Convert to fraction form
71,952.18/107,927.58 = 40,362.18/x - Step 3: Cross multiply
71,952.18x = 107,927.58 × 40,362.18 - Step 4: Simplify right side
71,952.18x = 4,356,192,410.92 - Step 5: Solve for x
x = 4,356,192,410.92/71,952.18 - Step 6: Final answer
x = 60,542.88
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1.5x scale
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.