Finding the Fourth Proportional to 75,953.97, 113,854.68 and 25,999.92
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Solution
The fourth proportional to 75,953.97, 113,854.68 and 25,999.92 is: 38,973.77
Step by Step Solution
- Step 1: Write the proportion equation
75,953.97 : 113,854.68 = 25,999.92 : x - Step 2: Convert to fraction form
75,953.97/113,854.68 = 25,999.92/x - Step 3: Cross multiply
75,953.97x = 113,854.68 × 25,999.92 - Step 4: Simplify right side
75,953.97x = 2,960,212,571.63 - Step 5: Solve for x
x = 2,960,212,571.63/75,953.97 - Step 6: Final answer
x = 38,973.77
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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.