Finding the Fourth Proportional to 75,277.92, 103,884.08 and 51,403.96
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Solution
The fourth proportional to 75,277.92, 103,884.08 and 51,403.96 is: 70,937.84
Step by Step Solution
- Step 1: Write the proportion equation
75,277.92 : 103,884.08 = 51,403.96 : x - Step 2: Convert to fraction form
75,277.92/103,884.08 = 51,403.96/x - Step 3: Cross multiply
75,277.92x = 103,884.08 × 51,403.96 - Step 4: Simplify right side
75,277.92x = 5,340,053,092.96 - Step 5: Solve for x
x = 5,340,053,092.96/75,277.92 - Step 6: Final answer
x = 70,937.84
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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.