Finding the Fourth Proportional to 73,931.17, 110,863.95 and 45,850.09
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Solution
The fourth proportional to 73,931.17, 110,863.95 and 45,850.09 is: 68,754.79
Step by Step Solution
- Step 1: Write the proportion equation
73,931.17 : 110,863.95 = 45,850.09 : x - Step 2: Convert to fraction form
73,931.17/110,863.95 = 45,850.09/x - Step 3: Cross multiply
73,931.17x = 110,863.95 × 45,850.09 - Step 4: Simplify right side
73,931.17x = 5,083,122,085.26 - Step 5: Solve for x
x = 5,083,122,085.26/73,931.17 - Step 6: Final answer
x = 68,754.79
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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.