Finding the Fourth Proportional to 75,504.35, 104,201.44 and 45,290.95
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Solution
The fourth proportional to 75,504.35, 104,201.44 and 45,290.95 is: 62,504.77
Step by Step Solution
- Step 1: Write the proportion equation
75,504.35 : 104,201.44 = 45,290.95 : x - Step 2: Convert to fraction form
75,504.35/104,201.44 = 45,290.95/x - Step 3: Cross multiply
75,504.35x = 104,201.44 × 45,290.95 - Step 4: Simplify right side
75,504.35x = 4,719,381,835.24 - Step 5: Solve for x
x = 4,719,381,835.24/75,504.35 - Step 6: Final answer
x = 62,504.77
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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.