Finding the Fourth Proportional to 77,814.62, 107,384.67 and 44,280.62
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Solution
The fourth proportional to 77,814.62, 107,384.67 and 44,280.62 is: 61,107.54
Step by Step Solution
- Step 1: Write the proportion equation
77,814.62 : 107,384.67 = 44,280.62 : x - Step 2: Convert to fraction form
77,814.62/107,384.67 = 44,280.62/x - Step 3: Cross multiply
77,814.62x = 107,384.67 × 44,280.62 - Step 4: Simplify right side
77,814.62x = 4,755,059,766.10 - Step 5: Solve for x
x = 4,755,059,766.10/77,814.62 - Step 6: Final answer
x = 61,107.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.