Finding the Fourth Proportional to 79,652.68, 119,461.20 and 23,480.80
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Solution
The fourth proportional to 79,652.68, 119,461.20 and 23,480.80 is: 35,215.95
Step by Step Solution
- Step 1: Write the proportion equation
79,652.68 : 119,461.20 = 23,480.80 : x - Step 2: Convert to fraction form
79,652.68/119,461.20 = 23,480.80/x - Step 3: Cross multiply
79,652.68x = 119,461.20 × 23,480.80 - Step 4: Simplify right side
79,652.68x = 2,805,044,544.96 - Step 5: Solve for x
x = 2,805,044,544.96/79,652.68 - Step 6: Final answer
x = 35,215.95
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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.