Finding the Fourth Proportional to 116,784.99, 161,163.28 and 63,070.02
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Solution
The fourth proportional to 116,784.99, 161,163.28 and 63,070.02 is: 87,036.62
Step by Step Solution
- Step 1: Write the proportion equation
116,784.99 : 161,163.28 = 63,070.02 : x - Step 2: Convert to fraction form
116,784.99/161,163.28 = 63,070.02/x - Step 3: Cross multiply
116,784.99x = 161,163.28 × 63,070.02 - Step 4: Simplify right side
116,784.99x = 10,164,571,292.87 - Step 5: Solve for x
x = 10,164,571,292.87/116,784.99 - Step 6: Final answer
x = 87,036.62
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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.