Finding the Fourth Proportional to 71,355.65, 106,966.65 and 27,012.20
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Solution
The fourth proportional to 71,355.65, 106,966.65 and 27,012.20 is: 40,493.00
Step by Step Solution
- Step 1: Write the proportion equation
71,355.65 : 106,966.65 = 27,012.20 : x - Step 2: Convert to fraction form
71,355.65/106,966.65 = 27,012.20/x - Step 3: Cross multiply
71,355.65x = 106,966.65 × 27,012.20 - Step 4: Simplify right side
71,355.65x = 2,889,404,543.13 - Step 5: Solve for x
x = 2,889,404,543.13/71,355.65 - Step 6: Final answer
x = 40,493.00
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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.