Finding the Fourth Proportional to 83,574.96, 125,356.56 and 39,211.44
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Solution
The fourth proportional to 83,574.96, 125,356.56 and 39,211.44 is: 58,814.40
Step by Step Solution
- Step 1: Write the proportion equation
83,574.96 : 125,356.56 = 39,211.44 : x - Step 2: Convert to fraction form
83,574.96/125,356.56 = 39,211.44/x - Step 3: Cross multiply
83,574.96x = 125,356.56 × 39,211.44 - Step 4: Simplify right side
83,574.96x = 4,915,411,231.05 - Step 5: Solve for x
x = 4,915,411,231.05/83,574.96 - Step 6: Final answer
x = 58,814.40
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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.