Finding the Fourth Proportional to 66,913.07, 100,263.09 and 35,321.99
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Solution
The fourth proportional to 66,913.07, 100,263.09 and 35,321.99 is: 52,926.76
Step by Step Solution
- Step 1: Write the proportion equation
66,913.07 : 100,263.09 = 35,321.99 : x - Step 2: Convert to fraction form
66,913.07/100,263.09 = 35,321.99/x - Step 3: Cross multiply
66,913.07x = 100,263.09 × 35,321.99 - Step 4: Simplify right side
66,913.07x = 3,541,491,862.35 - Step 5: Solve for x
x = 3,541,491,862.35/66,913.07 - Step 6: Final answer
x = 52,926.76
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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.