Finding the Fourth Proportional to 75,588.25, 104,316.09 and 43,328.23
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Solution
The fourth proportional to 75,588.25, 104,316.09 and 43,328.23 is: 59,795.43
Step by Step Solution
- Step 1: Write the proportion equation
75,588.25 : 104,316.09 = 43,328.23 : x - Step 2: Convert to fraction form
75,588.25/104,316.09 = 43,328.23/x - Step 3: Cross multiply
75,588.25x = 104,316.09 × 43,328.23 - Step 4: Simplify right side
75,588.25x = 4,519,831,540.22 - Step 5: Solve for x
x = 4,519,831,540.22/75,588.25 - Step 6: Final answer
x = 59,795.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.