Finding the Fourth Proportional to 98,515.26, 135,903.87 and 94,695.91
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Solution
The fourth proportional to 98,515.26, 135,903.87 and 94,695.91 is: 130,634.99
Step by Step Solution
- Step 1: Write the proportion equation
98,515.26 : 135,903.87 = 94,695.91 : x - Step 2: Convert to fraction form
98,515.26/135,903.87 = 94,695.91/x - Step 3: Cross multiply
98,515.26x = 135,903.87 × 94,695.91 - Step 4: Simplify right side
98,515.26x = 12,869,539,888.43 - Step 5: Solve for x
x = 12,869,539,888.43/98,515.26 - Step 6: Final answer
x = 130,634.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.