Finding the Fourth Proportional to 75,605.24, 113,278.26 and 53,378.84
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Solution
The fourth proportional to 75,605.24, 113,278.26 and 53,378.84 is: 79,976.76
Step by Step Solution
- Step 1: Write the proportion equation
75,605.24 : 113,278.26 = 53,378.84 : x - Step 2: Convert to fraction form
75,605.24/113,278.26 = 53,378.84/x - Step 3: Cross multiply
75,605.24x = 113,278.26 × 53,378.84 - Step 4: Simplify right side
75,605.24x = 6,046,662,116.02 - Step 5: Solve for x
x = 6,046,662,116.02/75,605.24 - Step 6: Final answer
x = 79,976.76
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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.