Finding the Fourth Proportional to 79,683.45, 119,511.33 and 29,763.98
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Solution
The fourth proportional to 79,683.45, 119,511.33 and 29,763.98 is: 44,640.80
Step by Step Solution
- Step 1: Write the proportion equation
79,683.45 : 119,511.33 = 29,763.98 : x - Step 2: Convert to fraction form
79,683.45/119,511.33 = 29,763.98/x - Step 3: Cross multiply
79,683.45x = 119,511.33 × 29,763.98 - Step 4: Simplify right side
79,683.45x = 3,557,132,574.89 - Step 5: Solve for x
x = 3,557,132,574.89/79,683.45 - Step 6: Final answer
x = 44,640.80
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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.