Finding the Fourth Proportional to 75,427.40, 104,089.98 and 41,893.40
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Solution
The fourth proportional to 75,427.40, 104,089.98 and 41,893.40 is: 57,812.99
Step by Step Solution
- Step 1: Write the proportion equation
75,427.40 : 104,089.98 = 41,893.40 : x - Step 2: Convert to fraction form
75,427.40/104,089.98 = 41,893.40/x - Step 3: Cross multiply
75,427.40x = 104,089.98 × 41,893.40 - Step 4: Simplify right side
75,427.40x = 4,360,683,168.13 - Step 5: Solve for x
x = 4,360,683,168.13/75,427.40 - Step 6: Final answer
x = 57,812.99
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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.