Finding the Fourth Proportional to 107,921.02, 161,782.92 and 37,762.06
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Solution
The fourth proportional to 107,921.02, 161,782.92 and 37,762.06 is: 56,608.59
Step by Step Solution
- Step 1: Write the proportion equation
107,921.02 : 161,782.92 = 37,762.06 : x - Step 2: Convert to fraction form
107,921.02/161,782.92 = 37,762.06/x - Step 3: Cross multiply
107,921.02x = 161,782.92 × 37,762.06 - Step 4: Simplify right side
107,921.02x = 6,109,256,332.02 - Step 5: Solve for x
x = 6,109,256,332.02/107,921.02 - Step 6: Final answer
x = 56,608.59
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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.