Finding the Fourth Proportional to 79,900.77, 119,820.01 and 29,953.62
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Solution
The fourth proportional to 79,900.77, 119,820.01 and 29,953.62 is: 44,918.75
Step by Step Solution
- Step 1: Write the proportion equation
79,900.77 : 119,820.01 = 29,953.62 : x - Step 2: Convert to fraction form
79,900.77/119,820.01 = 29,953.62/x - Step 3: Cross multiply
79,900.77x = 119,820.01 × 29,953.62 - Step 4: Simplify right side
79,900.77x = 3,589,042,776.47 - Step 5: Solve for x
x = 3,589,042,776.47/79,900.77 - Step 6: Final answer
x = 44,918.75
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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.