Finding the Fourth Proportional to 91,197.86, 125,864.97 and 53,475.62
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Solution
The fourth proportional to 91,197.86, 125,864.97 and 53,475.62 is: 73,803.35
Step by Step Solution
- Step 1: Write the proportion equation
91,197.86 : 125,864.97 = 53,475.62 : x - Step 2: Convert to fraction form
91,197.86/125,864.97 = 53,475.62/x - Step 3: Cross multiply
91,197.86x = 125,864.97 × 53,475.62 - Step 4: Simplify right side
91,197.86x = 6,730,707,307.03 - Step 5: Solve for x
x = 6,730,707,307.03/91,197.86 - Step 6: Final answer
x = 73,803.35
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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.