Finding the Fourth Proportional to 79,717.10, 119,577.45 and 29,769.95
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Solution
The fourth proportional to 79,717.10, 119,577.45 and 29,769.95 is: 44,655.59
Step by Step Solution
- Step 1: Write the proportion equation
79,717.10 : 119,577.45 = 29,769.95 : x - Step 2: Convert to fraction form
79,717.10/119,577.45 = 29,769.95/x - Step 3: Cross multiply
79,717.10x = 119,577.45 × 29,769.95 - Step 4: Simplify right side
79,717.10x = 3,559,814,109.74 - Step 5: Solve for x
x = 3,559,814,109.74/79,717.10 - Step 6: Final answer
x = 44,655.59
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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.