Finding the Fourth Proportional to 84,918.80, 127,400.09 and 32,299.58
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Solution
The fourth proportional to 84,918.80, 127,400.09 and 32,299.58 is: 48,457.70
Step by Step Solution
- Step 1: Write the proportion equation
84,918.80 : 127,400.09 = 32,299.58 : x - Step 2: Convert to fraction form
84,918.80/127,400.09 = 32,299.58/x - Step 3: Cross multiply
84,918.80x = 127,400.09 × 32,299.58 - Step 4: Simplify right side
84,918.80x = 4,114,969,555.96 - Step 5: Solve for x
x = 4,114,969,555.96/84,918.80 - Step 6: Final answer
x = 48,457.70
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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.