Finding the Fourth Proportional to 77,656.24, 116,336.64 and 40,160.14
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Solution
The fourth proportional to 77,656.24, 116,336.64 and 40,160.14 is: 60,163.82
Step by Step Solution
- Step 1: Write the proportion equation
77,656.24 : 116,336.64 = 40,160.14 : x - Step 2: Convert to fraction form
77,656.24/116,336.64 = 40,160.14/x - Step 3: Cross multiply
77,656.24x = 116,336.64 × 40,160.14 - Step 4: Simplify right side
77,656.24x = 4,672,095,749.53 - Step 5: Solve for x
x = 4,672,095,749.53/77,656.24 - Step 6: Final answer
x = 60,163.82
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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.