Finding the Fourth Proportional to 75,919.98, 113,868.29 and 25,319.90
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Solution
The fourth proportional to 75,919.98, 113,868.29 and 25,319.90 is: 37,975.95
Step by Step Solution
- Step 1: Write the proportion equation
75,919.98 : 113,868.29 = 25,319.90 : x - Step 2: Convert to fraction form
75,919.98/113,868.29 = 25,319.90/x - Step 3: Cross multiply
75,919.98x = 113,868.29 × 25,319.90 - Step 4: Simplify right side
75,919.98x = 2,883,133,146.63 - Step 5: Solve for x
x = 2,883,133,146.63/75,919.98 - Step 6: Final answer
x = 37,975.95
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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.