Finding the Fourth Proportional to 83,676.10, 125,344.05 and 51,988.90
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Solution
The fourth proportional to 83,676.10, 125,344.05 and 51,988.90 is: 77,877.66
Step by Step Solution
- Step 1: Write the proportion equation
83,676.10 : 125,344.05 = 51,988.90 : x - Step 2: Convert to fraction form
83,676.10/125,344.05 = 51,988.90/x - Step 3: Cross multiply
83,676.10x = 125,344.05 × 51,988.90 - Step 4: Simplify right side
83,676.10x = 6,516,499,281.05 - Step 5: Solve for x
x = 6,516,499,281.05/83,676.10 - Step 6: Final answer
x = 77,877.66
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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.