Finding the Fourth Proportional to 110,492.80, 165,883.74 and 65,596.12
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Solution
The fourth proportional to 110,492.80, 165,883.74 and 65,596.12 is: 98,479.99
Step by Step Solution
- Step 1: Write the proportion equation
110,492.80 : 165,883.74 = 65,596.12 : x - Step 2: Convert to fraction form
110,492.80/165,883.74 = 65,596.12/x - Step 3: Cross multiply
110,492.80x = 165,883.74 × 65,596.12 - Step 4: Simplify right side
110,492.80x = 10,881,329,715.09 - Step 5: Solve for x
x = 10,881,329,715.09/110,492.80 - Step 6: Final answer
x = 98,479.99
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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.