Finding the Fourth Proportional to 77,580.68, 107,061.46 and 44,046.68
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Solution
The fourth proportional to 77,580.68, 107,061.46 and 44,046.68 is: 60,784.49
Step by Step Solution
- Step 1: Write the proportion equation
77,580.68 : 107,061.46 = 44,046.68 : x - Step 2: Convert to fraction form
77,580.68/107,061.46 = 44,046.68/x - Step 3: Cross multiply
77,580.68x = 107,061.46 × 44,046.68 - Step 4: Simplify right side
77,580.68x = 4,715,701,868.95 - Step 5: Solve for x
x = 4,715,701,868.95/77,580.68 - Step 6: Final answer
x = 60,784.49
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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.