Finding the Fourth Proportional to 77,601.24, 107,098.56 and 43,609.68
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Solution
The fourth proportional to 77,601.24, 107,098.56 and 43,609.68 is: 60,186.33
Step by Step Solution
- Step 1: Write the proportion equation
77,601.24 : 107,098.56 = 43,609.68 : x - Step 2: Convert to fraction form
77,601.24/107,098.56 = 43,609.68/x - Step 3: Cross multiply
77,601.24x = 107,098.56 × 43,609.68 - Step 4: Simplify right side
77,601.24x = 4,670,533,930.06 - Step 5: Solve for x
x = 4,670,533,930.06/77,601.24 - Step 6: Final answer
x = 60,186.33
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1.5x scale
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.