Finding the Fourth Proportional to 75,835.26, 113,660.64 and 53,655.03
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Solution
The fourth proportional to 75,835.26, 113,660.64 and 53,655.03 is: 80,417.28
Step by Step Solution
- Step 1: Write the proportion equation
75,835.26 : 113,660.64 = 53,655.03 : x - Step 2: Convert to fraction form
75,835.26/113,660.64 = 53,655.03/x - Step 3: Cross multiply
75,835.26x = 113,660.64 × 53,655.03 - Step 4: Simplify right side
75,835.26x = 6,098,465,049.02 - Step 5: Solve for x
x = 6,098,465,049.02/75,835.26 - Step 6: Final answer
x = 80,417.28
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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.