Finding the Fourth Proportional to 73,791.71, 101,835.31 and 45,107.99
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Solution
The fourth proportional to 73,791.71, 101,835.31 and 45,107.99 is: 62,250.70
Step by Step Solution
- Step 1: Write the proportion equation
73,791.71 : 101,835.31 = 45,107.99 : x - Step 2: Convert to fraction form
73,791.71/101,835.31 = 45,107.99/x - Step 3: Cross multiply
73,791.71x = 101,835.31 × 45,107.99 - Step 4: Simplify right side
73,791.71x = 4,593,585,635.95 - Step 5: Solve for x
x = 4,593,585,635.95/73,791.71 - Step 6: Final answer
x = 62,250.70
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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.