Finding the Fourth Proportional to 75,889.68, 113,802.93 and 25,959.66
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Solution
The fourth proportional to 75,889.68, 113,802.93 and 25,959.66 is: 38,928.68
Step by Step Solution
- Step 1: Write the proportion equation
75,889.68 : 113,802.93 = 25,959.66 : x - Step 2: Convert to fraction form
75,889.68/113,802.93 = 25,959.66/x - Step 3: Cross multiply
75,889.68x = 113,802.93 × 25,959.66 - Step 4: Simplify right side
75,889.68x = 2,954,285,369.80 - Step 5: Solve for x
x = 2,954,285,369.80/75,889.68 - Step 6: Final answer
x = 38,928.68
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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.