Finding the Fourth Proportional to 75,130.35, 112,653.41 and 51,464.62
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Solution
The fourth proportional to 75,130.35, 112,653.41 and 51,464.62 is: 77,168.07
Step by Step Solution
- Step 1: Write the proportion equation
75,130.35 : 112,653.41 = 51,464.62 : x - Step 2: Convert to fraction form
75,130.35/112,653.41 = 51,464.62/x - Step 3: Cross multiply
75,130.35x = 112,653.41 × 51,464.62 - Step 4: Simplify right side
75,130.35x = 5,797,664,398.40 - Step 5: Solve for x
x = 5,797,664,398.40/75,130.35 - Step 6: Final answer
x = 77,168.07
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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.