Finding the Fourth Proportional to 84,965.26, 127,447.88 and 40,457.07
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Solution
The fourth proportional to 84,965.26, 127,447.88 and 40,457.07 is: 60,685.60
Step by Step Solution
- Step 1: Write the proportion equation
84,965.26 : 127,447.88 = 40,457.07 : x - Step 2: Convert to fraction form
84,965.26/127,447.88 = 40,457.07/x - Step 3: Cross multiply
84,965.26x = 127,447.88 × 40,457.07 - Step 4: Simplify right side
84,965.26x = 5,156,167,802.51 - Step 5: Solve for x
x = 5,156,167,802.51/84,965.26 - Step 6: Final answer
x = 60,685.60
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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.