Finding the Fourth Proportional to 77,350.20, 106,794.72 and 59,413.14
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Solution
The fourth proportional to 77,350.20, 106,794.72 and 59,413.14 is: 82,029.65
Step by Step Solution
- Step 1: Write the proportion equation
77,350.20 : 106,794.72 = 59,413.14 : x - Step 2: Convert to fraction form
77,350.20/106,794.72 = 59,413.14/x - Step 3: Cross multiply
77,350.20x = 106,794.72 × 59,413.14 - Step 4: Simplify right side
77,350.20x = 6,345,009,650.62 - Step 5: Solve for x
x = 6,345,009,650.62/77,350.20 - Step 6: Final answer
x = 82,029.65
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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.