Finding the Fourth Proportional to 75,643.32, 113,477.30 and 22,340.70
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Solution
The fourth proportional to 75,643.32, 113,477.30 and 22,340.70 is: 33,514.69
Step by Step Solution
- Step 1: Write the proportion equation
75,643.32 : 113,477.30 = 22,340.70 : x - Step 2: Convert to fraction form
75,643.32/113,477.30 = 22,340.70/x - Step 3: Cross multiply
75,643.32x = 113,477.30 × 22,340.70 - Step 4: Simplify right side
75,643.32x = 2,535,162,204.41 - Step 5: Solve for x
x = 2,535,162,204.41/75,643.32 - Step 6: Final answer
x = 33,514.69
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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.