Finding the Fourth Proportional to 75,705.70, 113,580.74 and 22,399.08
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Solution
The fourth proportional to 75,705.70, 113,580.74 and 22,399.08 is: 33,605.19
Step by Step Solution
- Step 1: Write the proportion equation
75,705.70 : 113,580.74 = 22,399.08 : x - Step 2: Convert to fraction form
75,705.70/113,580.74 = 22,399.08/x - Step 3: Cross multiply
75,705.70x = 113,580.74 × 22,399.08 - Step 4: Simplify right side
75,705.70x = 2,544,104,081.72 - Step 5: Solve for x
x = 2,544,104,081.72/75,705.70 - Step 6: Final answer
x = 33,605.19
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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.