Finding the Fourth Proportional to 79,679.95, 119,413.71 and 29,709.63
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Solution
The fourth proportional to 79,679.95, 119,413.71 and 29,709.63 is: 44,524.84
Step by Step Solution
- Step 1: Write the proportion equation
79,679.95 : 119,413.71 = 29,709.63 : x - Step 2: Convert to fraction form
79,679.95/119,413.71 = 29,709.63/x - Step 3: Cross multiply
79,679.95x = 119,413.71 × 29,709.63 - Step 4: Simplify right side
79,679.95x = 3,547,737,141.03 - Step 5: Solve for x
x = 3,547,737,141.03/79,679.95 - Step 6: Final answer
x = 44,524.84
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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.