Finding the Fourth Proportional to 84,007.36, 125,973.90 and 44,555.44
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Solution
The fourth proportional to 84,007.36, 125,973.90 and 44,555.44 is: 66,813.46
Step by Step Solution
- Step 1: Write the proportion equation
84,007.36 : 125,973.90 = 44,555.44 : x - Step 2: Convert to fraction form
84,007.36/125,973.90 = 44,555.44/x - Step 3: Cross multiply
84,007.36x = 125,973.90 × 44,555.44 - Step 4: Simplify right side
84,007.36x = 5,612,822,543.02 - Step 5: Solve for x
x = 5,612,822,543.02/84,007.36 - Step 6: Final answer
x = 66,813.46
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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.