Finding the Fourth Proportional to 84,739.99, 127,110.73 and 21,560.19
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Solution
The fourth proportional to 84,739.99, 127,110.73 and 21,560.19 is: 32,340.47
Step by Step Solution
- Step 1: Write the proportion equation
84,739.99 : 127,110.73 = 21,560.19 : x - Step 2: Convert to fraction form
84,739.99/127,110.73 = 21,560.19/x - Step 3: Cross multiply
84,739.99x = 127,110.73 × 21,560.19 - Step 4: Simplify right side
84,739.99x = 2,740,530,854.29 - Step 5: Solve for x
x = 2,740,530,854.29/84,739.99 - Step 6: Final answer
x = 32,340.47
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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.