Finding the Fourth Proportional to 73,518.75, 110,278.14 and 31,965.75
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Solution
The fourth proportional to 73,518.75, 110,278.14 and 31,965.75 is: 47,948.63
Step by Step Solution
- Step 1: Write the proportion equation
73,518.75 : 110,278.14 = 31,965.75 : x - Step 2: Convert to fraction form
73,518.75/110,278.14 = 31,965.75/x - Step 3: Cross multiply
73,518.75x = 110,278.14 × 31,965.75 - Step 4: Simplify right side
73,518.75x = 3,525,123,453.71 - Step 5: Solve for x
x = 3,525,123,453.71/73,518.75 - Step 6: Final answer
x = 47,948.63
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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.