Finding the Fourth Proportional to 71,551.83, 107,285.58 and 27,181.74
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Solution
The fourth proportional to 71,551.83, 107,285.58 and 27,181.74 is: 40,756.59
Step by Step Solution
- Step 1: Write the proportion equation
71,551.83 : 107,285.58 = 27,181.74 : x - Step 2: Convert to fraction form
71,551.83/107,285.58 = 27,181.74/x - Step 3: Cross multiply
71,551.83x = 107,285.58 × 27,181.74 - Step 4: Simplify right side
71,551.83x = 2,916,208,741.31 - Step 5: Solve for x
x = 2,916,208,741.31/71,551.83 - Step 6: Final answer
x = 40,756.59
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1.5x scale
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.