Finding the Fourth Proportional to 68,352.20, 102,528.30 and 63,945.80
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Solution
The fourth proportional to 68,352.20, 102,528.30 and 63,945.80 is: 95,918.70
Step by Step Solution
- Step 1: Write the proportion equation
68,352.20 : 102,528.30 = 63,945.80 : x - Step 2: Convert to fraction form
68,352.20/102,528.30 = 63,945.80/x - Step 3: Cross multiply
68,352.20x = 102,528.30 × 63,945.80 - Step 4: Simplify right side
68,352.20x = 6,556,254,166.14 - Step 5: Solve for x
x = 6,556,254,166.14/68,352.20 - Step 6: Final answer
x = 95,918.70
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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.