Finding the Fourth Proportional to 76,274.56, 114,332.41 and 25,635.99
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Solution
The fourth proportional to 76,274.56, 114,332.41 and 25,635.99 is: 38,427.29
Step by Step Solution
- Step 1: Write the proportion equation
76,274.56 : 114,332.41 = 25,635.99 : x - Step 2: Convert to fraction form
76,274.56/114,332.41 = 25,635.99/x - Step 3: Cross multiply
76,274.56x = 114,332.41 × 25,635.99 - Step 4: Simplify right side
76,274.56x = 2,931,024,980.23 - Step 5: Solve for x
x = 2,931,024,980.23/76,274.56 - Step 6: Final answer
x = 38,427.29
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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.