Finding the Fourth Proportional to 75,638.07, 113,404.59 and 33,495.19
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Solution
The fourth proportional to 75,638.07, 113,404.59 and 33,495.19 is: 50,219.53
Step by Step Solution
- Step 1: Write the proportion equation
75,638.07 : 113,404.59 = 33,495.19 : x - Step 2: Convert to fraction form
75,638.07/113,404.59 = 33,495.19/x - Step 3: Cross multiply
75,638.07x = 113,404.59 × 33,495.19 - Step 4: Simplify right side
75,638.07x = 3,798,508,288.92 - Step 5: Solve for x
x = 3,798,508,288.92/75,638.07 - Step 6: Final answer
x = 50,219.53
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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.