Finding the Fourth Proportional to 75,297.93, 103,911.95 and 41,306.48
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Solution
The fourth proportional to 75,297.93, 103,911.95 and 41,306.48 is: 57,003.39
Step by Step Solution
- Step 1: Write the proportion equation
75,297.93 : 103,911.95 = 41,306.48 : x - Step 2: Convert to fraction form
75,297.93/103,911.95 = 41,306.48/x - Step 3: Cross multiply
75,297.93x = 103,911.95 × 41,306.48 - Step 4: Simplify right side
75,297.93x = 4,292,236,937.68 - Step 5: Solve for x
x = 4,292,236,937.68/75,297.93 - Step 6: Final answer
x = 57,003.39
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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.