Finding the Fourth Proportional to 75,509.96, 104,204.13 and 41,520.63
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Solution
The fourth proportional to 75,509.96, 104,204.13 and 41,520.63 is: 57,298.68
Step by Step Solution
- Step 1: Write the proportion equation
75,509.96 : 104,204.13 = 41,520.63 : x - Step 2: Convert to fraction form
75,509.96/104,204.13 = 41,520.63/x - Step 3: Cross multiply
75,509.96x = 104,204.13 × 41,520.63 - Step 4: Simplify right side
75,509.96x = 4,326,621,126.20 - Step 5: Solve for x
x = 4,326,621,126.20/75,509.96 - Step 6: Final answer
x = 57,298.68
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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.