Finding the Fourth Proportional to 75,684.84, 113,488.34 and 40,653.96
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Solution
The fourth proportional to 75,684.84, 113,488.34 and 40,653.96 is: 60,960.03
Step by Step Solution
- Step 1: Write the proportion equation
75,684.84 : 113,488.34 = 40,653.96 : x - Step 2: Convert to fraction form
75,684.84/113,488.34 = 40,653.96/x - Step 3: Cross multiply
75,684.84x = 113,488.34 × 40,653.96 - Step 4: Simplify right side
75,684.84x = 4,613,750,434.83 - Step 5: Solve for x
x = 4,613,750,434.83/75,684.84 - Step 6: Final answer
x = 60,960.03
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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.