Finding the Fourth Proportional to 76,252.71, 114,393.45 and 28,881.99
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Solution
The fourth proportional to 76,252.71, 114,393.45 and 28,881.99 is: 43,328.43
Step by Step Solution
- Step 1: Write the proportion equation
76,252.71 : 114,393.45 = 28,881.99 : x - Step 2: Convert to fraction form
76,252.71/114,393.45 = 28,881.99/x - Step 3: Cross multiply
76,252.71x = 114,393.45 × 28,881.99 - Step 4: Simplify right side
76,252.71x = 3,303,910,478.97 - Step 5: Solve for x
x = 3,303,910,478.97/76,252.71 - Step 6: Final answer
x = 43,328.43
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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.