Finding the Fourth Proportional to 83,654.01, 115,438.50 and 47,847.96
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Solution
The fourth proportional to 83,654.01, 115,438.50 and 47,847.96 is: 66,027.88
Step by Step Solution
- Step 1: Write the proportion equation
83,654.01 : 115,438.50 = 47,847.96 : x - Step 2: Convert to fraction form
83,654.01/115,438.50 = 47,847.96/x - Step 3: Cross multiply
83,654.01x = 115,438.50 × 47,847.96 - Step 4: Simplify right side
83,654.01x = 5,523,496,730.46 - Step 5: Solve for x
x = 5,523,496,730.46/83,654.01 - Step 6: Final answer
x = 66,027.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.