Finding the Fourth Proportional to 82,590.84, 113,975.40 and 44,865.12
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Solution
The fourth proportional to 82,590.84, 113,975.40 and 44,865.12 is: 61,913.89
Step by Step Solution
- Step 1: Write the proportion equation
82,590.84 : 113,975.40 = 44,865.12 : x - Step 2: Convert to fraction form
82,590.84/113,975.40 = 44,865.12/x - Step 3: Cross multiply
82,590.84x = 113,975.40 × 44,865.12 - Step 4: Simplify right side
82,590.84x = 5,113,519,998.05 - Step 5: Solve for x
x = 5,113,519,998.05/82,590.84 - Step 6: Final answer
x = 61,913.89
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1.5x scale
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.