Finding the Fourth Proportional to 89,932.36, 124,112.28 and 51,704.08
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Solution
The fourth proportional to 89,932.36, 124,112.28 and 51,704.08 is: 71,354.86
Step by Step Solution
- Step 1: Write the proportion equation
89,932.36 : 124,112.28 = 51,704.08 : x - Step 2: Convert to fraction form
89,932.36/124,112.28 = 51,704.08/x - Step 3: Cross multiply
89,932.36x = 124,112.28 × 51,704.08 - Step 4: Simplify right side
89,932.36x = 6,417,111,254.10 - Step 5: Solve for x
x = 6,417,111,254.10/89,932.36 - Step 6: Final answer
x = 71,354.86
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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.