Finding the Fourth Proportional to 82,349.60, 113,642.48 and 44,623.68
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Solution
The fourth proportional to 82,349.60, 113,642.48 and 44,623.68 is: 61,580.70
Step by Step Solution
- Step 1: Write the proportion equation
82,349.60 : 113,642.48 = 44,623.68 : x - Step 2: Convert to fraction form
82,349.60/113,642.48 = 44,623.68/x - Step 3: Cross multiply
82,349.60x = 113,642.48 × 44,623.68 - Step 4: Simplify right side
82,349.60x = 5,071,145,661.93 - Step 5: Solve for x
x = 5,071,145,661.93/82,349.60 - Step 6: Final answer
x = 61,580.70
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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.