Finding the Fourth Proportional to 75,427.48, 104,060.17 and 48,585.54
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Solution
The fourth proportional to 75,427.48, 104,060.17 and 48,585.54 is: 67,028.88
Step by Step Solution
- Step 1: Write the proportion equation
75,427.48 : 104,060.17 = 48,585.54 : x - Step 2: Convert to fraction form
75,427.48/104,060.17 = 48,585.54/x - Step 3: Cross multiply
75,427.48x = 104,060.17 × 48,585.54 - Step 4: Simplify right side
75,427.48x = 5,055,819,551.94 - Step 5: Solve for x
x = 5,055,819,551.94/75,427.48 - Step 6: Final answer
x = 67,028.88
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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.