Finding the Fourth Proportional to 75,629.04, 104,368.04 and 42,102.96
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Solution
The fourth proportional to 75,629.04, 104,368.04 and 42,102.96 is: 58,102.07
Step by Step Solution
- Step 1: Write the proportion equation
75,629.04 : 104,368.04 = 42,102.96 : x - Step 2: Convert to fraction form
75,629.04/104,368.04 = 42,102.96/x - Step 3: Cross multiply
75,629.04x = 104,368.04 × 42,102.96 - Step 4: Simplify right side
75,629.04x = 4,394,203,413.40 - Step 5: Solve for x
x = 4,394,203,413.40/75,629.04 - Step 6: Final answer
x = 58,102.07
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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.