Finding the Fourth Proportional to 67,316.21, 100,993.05 and 29,368.80
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Solution
The fourth proportional to 67,316.21, 100,993.05 and 29,368.80 is: 44,061.38
Step by Step Solution
- Step 1: Write the proportion equation
67,316.21 : 100,993.05 = 29,368.80 : x - Step 2: Convert to fraction form
67,316.21/100,993.05 = 29,368.80/x - Step 3: Cross multiply
67,316.21x = 100,993.05 × 29,368.80 - Step 4: Simplify right side
67,316.21x = 2,966,045,053.48 - Step 5: Solve for x
x = 2,966,045,053.48/67,316.21 - Step 6: Final answer
x = 44,061.38
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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.