Finding the Fourth Proportional to 75,346.08, 103,977.72 and 41,354.79
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Solution
The fourth proportional to 75,346.08, 103,977.72 and 41,354.79 is: 57,069.68
Step by Step Solution
- Step 1: Write the proportion equation
75,346.08 : 103,977.72 = 41,354.79 : x - Step 2: Convert to fraction form
75,346.08/103,977.72 = 41,354.79/x - Step 3: Cross multiply
75,346.08x = 103,977.72 × 41,354.79 - Step 4: Simplify right side
75,346.08x = 4,299,976,775.28 - Step 5: Solve for x
x = 4,299,976,775.28/75,346.08 - Step 6: Final answer
x = 57,069.68
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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.