Finding the Fourth Proportional to 75,235.79, 103,824.73 and 41,246.17
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Solution
The fourth proportional to 75,235.79, 103,824.73 and 41,246.17 is: 56,919.35
Step by Step Solution
- Step 1: Write the proportion equation
75,235.79 : 103,824.73 = 41,246.17 : x - Step 2: Convert to fraction form
75,235.79/103,824.73 = 41,246.17/x - Step 3: Cross multiply
75,235.79x = 103,824.73 × 41,246.17 - Step 4: Simplify right side
75,235.79x = 4,282,372,463.78 - Step 5: Solve for x
x = 4,282,372,463.78/75,235.79 - Step 6: Final answer
x = 56,919.35
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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.