Finding the Fourth Proportional to 83,569.65, 125,342.16 and 27,415.69
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Solution
The fourth proportional to 83,569.65, 125,342.16 and 27,415.69 is: 41,119.50
Step by Step Solution
- Step 1: Write the proportion equation
83,569.65 : 125,342.16 = 27,415.69 : x - Step 2: Convert to fraction form
83,569.65/125,342.16 = 27,415.69/x - Step 3: Cross multiply
83,569.65x = 125,342.16 × 27,415.69 - Step 4: Simplify right side
83,569.65x = 3,436,341,815.96 - Step 5: Solve for x
x = 3,436,341,815.96/83,569.65 - Step 6: Final answer
x = 41,119.50
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1.5x scale
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.