Finding the Fourth Proportional to 97,769.74, 146,679.21 and 27,649.06
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Solution
The fourth proportional to 97,769.74, 146,679.21 and 27,649.06 is: 41,480.55
Step by Step Solution
- Step 1: Write the proportion equation
97,769.74 : 146,679.21 = 27,649.06 : x - Step 2: Convert to fraction form
97,769.74/146,679.21 = 27,649.06/x - Step 3: Cross multiply
97,769.74x = 146,679.21 × 27,649.06 - Step 4: Simplify right side
97,769.74x = 4,055,542,278.04 - Step 5: Solve for x
x = 4,055,542,278.04/97,769.74 - Step 6: Final answer
x = 41,480.55
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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.