Finding the Fourth Proportional to 79,486.11, 119,210.64 and 29,589.71
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Solution
The fourth proportional to 79,486.11, 119,210.64 and 29,589.71 is: 44,377.66
Step by Step Solution
- Step 1: Write the proportion equation
79,486.11 : 119,210.64 = 29,589.71 : x - Step 2: Convert to fraction form
79,486.11/119,210.64 = 29,589.71/x - Step 3: Cross multiply
79,486.11x = 119,210.64 × 29,589.71 - Step 4: Simplify right side
79,486.11x = 3,527,407,670.46 - Step 5: Solve for x
x = 3,527,407,670.46/79,486.11 - Step 6: Final answer
x = 44,377.66
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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.