Finding the Fourth Proportional to 77,191.11, 115,785.45 and 24,599.84
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Solution
The fourth proportional to 77,191.11, 115,785.45 and 24,599.84 is: 36,899.37
Step by Step Solution
- Step 1: Write the proportion equation
77,191.11 : 115,785.45 = 24,599.84 : x - Step 2: Convert to fraction form
77,191.11/115,785.45 = 24,599.84/x - Step 3: Cross multiply
77,191.11x = 115,785.45 × 24,599.84 - Step 4: Simplify right side
77,191.11x = 2,848,302,965.40 - Step 5: Solve for x
x = 2,848,302,965.40/77,191.11 - Step 6: Final answer
x = 36,899.37
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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.