Finding the Fourth Proportional to 84,765.13, 127,144.62 and 25,599.28
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Solution
The fourth proportional to 84,765.13, 127,144.62 and 25,599.28 is: 38,397.99
Step by Step Solution
- Step 1: Write the proportion equation
84,765.13 : 127,144.62 = 25,599.28 : x - Step 2: Convert to fraction form
84,765.13/127,144.62 = 25,599.28/x - Step 3: Cross multiply
84,765.13x = 127,144.62 × 25,599.28 - Step 4: Simplify right side
84,765.13x = 3,254,810,727.87 - Step 5: Solve for x
x = 3,254,810,727.87/84,765.13 - Step 6: Final answer
x = 38,397.99
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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.