Finding the Fourth Proportional to 77,586.44, 116,430.68 and 42,550.70
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Solution
The fourth proportional to 77,586.44, 116,430.68 and 42,550.70 is: 63,854.03
Step by Step Solution
- Step 1: Write the proportion equation
77,586.44 : 116,430.68 = 42,550.70 : x - Step 2: Convert to fraction form
77,586.44/116,430.68 = 42,550.70/x - Step 3: Cross multiply
77,586.44x = 116,430.68 × 42,550.70 - Step 4: Simplify right side
77,586.44x = 4,954,206,459.70 - Step 5: Solve for x
x = 4,954,206,459.70/77,586.44 - Step 6: Final answer
x = 63,854.03
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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.