Finding the Fourth Proportional to 75,608.24, 113,282.76 and 53,381.84
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Solution
The fourth proportional to 75,608.24, 113,282.76 and 53,381.84 is: 79,981.26
Step by Step Solution
- Step 1: Write the proportion equation
75,608.24 : 113,282.76 = 53,381.84 : x - Step 2: Convert to fraction form
75,608.24/113,282.76 = 53,381.84/x - Step 3: Cross multiply
75,608.24x = 113,282.76 × 53,381.84 - Step 4: Simplify right side
75,608.24x = 6,047,242,169.08 - Step 5: Solve for x
x = 6,047,242,169.08/75,608.24 - Step 6: Final answer
x = 79,981.26
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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.