Finding the Fourth Proportional to 68,301.64, 102,448.72 and 26,201.92
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Solution
The fourth proportional to 68,301.64, 102,448.72 and 26,201.92 is: 39,301.45
Step by Step Solution
- Step 1: Write the proportion equation
68,301.64 : 102,448.72 = 26,201.92 : x - Step 2: Convert to fraction form
68,301.64/102,448.72 = 26,201.92/x - Step 3: Cross multiply
68,301.64x = 102,448.72 × 26,201.92 - Step 4: Simplify right side
68,301.64x = 2,684,353,165.54 - Step 5: Solve for x
x = 2,684,353,165.54/68,301.64 - Step 6: Final answer
x = 39,301.45
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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.