Finding the Fourth Proportional to 75,202.38, 103,779.28 and 44,988.97
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Solution
The fourth proportional to 75,202.38, 103,779.28 and 44,988.97 is: 62,084.78
Step by Step Solution
- Step 1: Write the proportion equation
75,202.38 : 103,779.28 = 44,988.97 : x - Step 2: Convert to fraction form
75,202.38/103,779.28 = 44,988.97/x - Step 3: Cross multiply
75,202.38x = 103,779.28 × 44,988.97 - Step 4: Simplify right side
75,202.38x = 4,668,922,914.54 - Step 5: Solve for x
x = 4,668,922,914.54/75,202.38 - Step 6: Final answer
x = 62,084.78
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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.