Finding the Fourth Proportional to 79,998.96, 119,983.68 and 29,386.92
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Solution
The fourth proportional to 79,998.96, 119,983.68 and 29,386.92 is: 44,074.96
Step by Step Solution
- Step 1: Write the proportion equation
79,998.96 : 119,983.68 = 29,386.92 : x - Step 2: Convert to fraction form
79,998.96/119,983.68 = 29,386.92/x - Step 3: Cross multiply
79,998.96x = 119,983.68 × 29,386.92 - Step 4: Simplify right side
79,998.96x = 3,525,950,805.47 - Step 5: Solve for x
x = 3,525,950,805.47/79,998.96 - Step 6: Final answer
x = 44,074.96
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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.