Finding the Fourth Proportional to 71,389.13, 107,083.70 and 29,836.13
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Solution
The fourth proportional to 71,389.13, 107,083.70 and 29,836.13 is: 44,754.20
Step by Step Solution
- Step 1: Write the proportion equation
71,389.13 : 107,083.70 = 29,836.13 : x - Step 2: Convert to fraction form
71,389.13/107,083.70 = 29,836.13/x - Step 3: Cross multiply
71,389.13x = 107,083.70 × 29,836.13 - Step 4: Simplify right side
71,389.13x = 3,194,963,194.08 - Step 5: Solve for x
x = 3,194,963,194.08/71,389.13 - Step 6: Final answer
x = 44,754.20
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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.