Finding the Fourth Proportional to 83,438.01, 125,173.35 and 36,690.75
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Solution
The fourth proportional to 83,438.01, 125,173.35 and 36,690.75 is: 55,043.31
Step by Step Solution
- Step 1: Write the proportion equation
83,438.01 : 125,173.35 = 36,690.75 : x - Step 2: Convert to fraction form
83,438.01/125,173.35 = 36,690.75/x - Step 3: Cross multiply
83,438.01x = 125,173.35 × 36,690.75 - Step 4: Simplify right side
83,438.01x = 4,592,704,091.51 - Step 5: Solve for x
x = 4,592,704,091.51/83,438.01 - Step 6: Final answer
x = 55,043.31
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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.