Finding the Fourth Proportional to 77,719.14, 116,550.14 and 27,785.70
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Solution
The fourth proportional to 77,719.14, 116,550.14 and 27,785.70 is: 41,668.34
Step by Step Solution
- Step 1: Write the proportion equation
77,719.14 : 116,550.14 = 27,785.70 : x - Step 2: Convert to fraction form
77,719.14/116,550.14 = 27,785.70/x - Step 3: Cross multiply
77,719.14x = 116,550.14 × 27,785.70 - Step 4: Simplify right side
77,719.14x = 3,238,427,225.00 - Step 5: Solve for x
x = 3,238,427,225.00/77,719.14 - Step 6: Final answer
x = 41,668.34
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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.