Finding the Fourth Proportional to 84,567.75, 116,703.50 and 51,033.75
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Solution
The fourth proportional to 84,567.75, 116,703.50 and 51,033.75 is: 70,426.58
Step by Step Solution
- Step 1: Write the proportion equation
84,567.75 : 116,703.50 = 51,033.75 : x - Step 2: Convert to fraction form
84,567.75/116,703.50 = 51,033.75/x - Step 3: Cross multiply
84,567.75x = 116,703.50 × 51,033.75 - Step 4: Simplify right side
84,567.75x = 5,955,817,243.13 - Step 5: Solve for x
x = 5,955,817,243.13/84,567.75 - Step 6: Final answer
x = 70,426.58
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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.