Finding the Fourth Proportional to 76,947.44, 115,347.38 and 24,320.05
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Solution
The fourth proportional to 76,947.44, 115,347.38 and 24,320.05 is: 36,456.75
Step by Step Solution
- Step 1: Write the proportion equation
76,947.44 : 115,347.38 = 24,320.05 : x - Step 2: Convert to fraction form
76,947.44/115,347.38 = 24,320.05/x - Step 3: Cross multiply
76,947.44x = 115,347.38 × 24,320.05 - Step 4: Simplify right side
76,947.44x = 2,805,253,639.00 - Step 5: Solve for x
x = 2,805,253,639.00/76,947.44 - Step 6: Final answer
x = 36,456.75
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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.