Finding the Fourth Proportional to 77,259.99, 106,632.14 and 43,725.99
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Solution
The fourth proportional to 77,259.99, 106,632.14 and 43,725.99 is: 60,349.42
Step by Step Solution
- Step 1: Write the proportion equation
77,259.99 : 106,632.14 = 43,725.99 : x - Step 2: Convert to fraction form
77,259.99/106,632.14 = 43,725.99/x - Step 3: Cross multiply
77,259.99x = 106,632.14 × 43,725.99 - Step 4: Simplify right side
77,259.99x = 4,662,595,668.69 - Step 5: Solve for x
x = 4,662,595,668.69/77,259.99 - Step 6: Final answer
x = 60,349.42
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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.