Finding the Fourth Proportional to 75,985.63, 104,865.14 and 50,452.02
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Solution
The fourth proportional to 75,985.63, 104,865.14 and 50,452.02 is: 69,627.09
Step by Step Solution
- Step 1: Write the proportion equation
75,985.63 : 104,865.14 = 50,452.02 : x - Step 2: Convert to fraction form
75,985.63/104,865.14 = 50,452.02/x - Step 3: Cross multiply
75,985.63x = 104,865.14 × 50,452.02 - Step 4: Simplify right side
75,985.63x = 5,290,658,140.58 - Step 5: Solve for x
x = 5,290,658,140.58/75,985.63 - Step 6: Final answer
x = 69,627.09
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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.