Finding the Fourth Proportional to 75,628.41, 104,363.14 and 41,630.28
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Solution
The fourth proportional to 75,628.41, 104,363.14 and 41,630.28 is: 57,447.55
Step by Step Solution
- Step 1: Write the proportion equation
75,628.41 : 104,363.14 = 41,630.28 : x - Step 2: Convert to fraction form
75,628.41/104,363.14 = 41,630.28/x - Step 3: Cross multiply
75,628.41x = 104,363.14 × 41,630.28 - Step 4: Simplify right side
75,628.41x = 4,344,666,739.88 - Step 5: Solve for x
x = 4,344,666,739.88/75,628.41 - Step 6: Final answer
x = 57,447.55
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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.