Finding the Fourth Proportional to 77,107.49, 115,672.76 and 24,518.69
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Solution
The fourth proportional to 77,107.49, 115,672.76 and 24,518.69 is: 36,781.70
Step by Step Solution
- Step 1: Write the proportion equation
77,107.49 : 115,672.76 = 24,518.69 : x - Step 2: Convert to fraction form
77,107.49/115,672.76 = 24,518.69/x - Step 3: Cross multiply
77,107.49x = 115,672.76 × 24,518.69 - Step 4: Simplify right side
77,107.49x = 2,836,144,421.29 - Step 5: Solve for x
x = 2,836,144,421.29/77,107.49 - Step 6: Final answer
x = 36,781.70
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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.