Finding the Fourth Proportional to 72,022.23, 107,959.50 and 27,637.07
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Solution
The fourth proportional to 72,022.23, 107,959.50 and 27,637.07 is: 41,427.26
Step by Step Solution
- Step 1: Write the proportion equation
72,022.23 : 107,959.50 = 27,637.07 : x - Step 2: Convert to fraction form
72,022.23/107,959.50 = 27,637.07/x - Step 3: Cross multiply
72,022.23x = 107,959.50 × 27,637.07 - Step 4: Simplify right side
72,022.23x = 2,983,683,718.87 - Step 5: Solve for x
x = 2,983,683,718.87/72,022.23 - Step 6: Final answer
x = 41,427.26
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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.