Finding the Fourth Proportional to 93,163.70, 128,566.41 and 50,722.54
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Solution
The fourth proportional to 93,163.70, 128,566.41 and 50,722.54 is: 69,997.37
Step by Step Solution
- Step 1: Write the proportion equation
93,163.70 : 128,566.41 = 50,722.54 : x - Step 2: Convert to fraction form
93,163.70/128,566.41 = 50,722.54/x - Step 3: Cross multiply
93,163.70x = 128,566.41 × 50,722.54 - Step 4: Simplify right side
93,163.70x = 6,521,214,362.26 - Step 5: Solve for x
x = 6,521,214,362.26/93,163.70 - Step 6: Final answer
x = 69,997.37
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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.