Finding the Fourth Proportional to 100,050.24, 138,111.84 and 62,343.12
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Solution
The fourth proportional to 100,050.24, 138,111.84 and 62,343.12 is: 86,059.99
Step by Step Solution
- Step 1: Write the proportion equation
100,050.24 : 138,111.84 = 62,343.12 : x - Step 2: Convert to fraction form
100,050.24/138,111.84 = 62,343.12/x - Step 3: Cross multiply
100,050.24x = 138,111.84 × 62,343.12 - Step 4: Simplify right side
100,050.24x = 8,610,323,014.54 - Step 5: Solve for x
x = 8,610,323,014.54/100,050.24 - Step 6: Final answer
x = 86,059.99
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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.