Finding the Fourth Proportional to 104,110.62, 143,673.69 and 56,364.99
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Solution
The fourth proportional to 104,110.62, 143,673.69 and 56,364.99 is: 77,784.25
Step by Step Solution
- Step 1: Write the proportion equation
104,110.62 : 143,673.69 = 56,364.99 : x - Step 2: Convert to fraction form
104,110.62/143,673.69 = 56,364.99/x - Step 3: Cross multiply
104,110.62x = 143,673.69 × 56,364.99 - Step 4: Simplify right side
104,110.62x = 8,098,166,100.11 - Step 5: Solve for x
x = 8,098,166,100.11/104,110.62 - Step 6: Final answer
x = 77,784.25
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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.