Finding the Fourth Proportional to 76,863.15, 115,285.01 and 24,277.95
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Solution
The fourth proportional to 76,863.15, 115,285.01 and 24,277.95 is: 36,413.85
Step by Step Solution
- Step 1: Write the proportion equation
76,863.15 : 115,285.01 = 24,277.95 : x - Step 2: Convert to fraction form
76,863.15/115,285.01 = 24,277.95/x - Step 3: Cross multiply
76,863.15x = 115,285.01 × 24,277.95 - Step 4: Simplify right side
76,863.15x = 2,798,883,587.14 - Step 5: Solve for x
x = 2,798,883,587.14/76,863.15 - Step 6: Final answer
x = 36,413.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.