Finding the Fourth Proportional to 76,883.64, 115,332.72 and 24,300.84
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Solution
The fourth proportional to 76,883.64, 115,332.72 and 24,300.84 is: 36,453.55
Step by Step Solution
- Step 1: Write the proportion equation
76,883.64 : 115,332.72 = 24,300.84 : x - Step 2: Convert to fraction form
76,883.64/115,332.72 = 24,300.84/x - Step 3: Cross multiply
76,883.64x = 115,332.72 × 24,300.84 - Step 4: Simplify right side
76,883.64x = 2,802,681,975.48 - Step 5: Solve for x
x = 2,802,681,975.48/76,883.64 - Step 6: Final answer
x = 36,453.55
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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.