Finding the Fourth Proportional to 97,749.38, 134,824.48 and 89,708.99
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Solution
The fourth proportional to 97,749.38, 134,824.48 and 89,708.99 is: 123,734.48
Step by Step Solution
- Step 1: Write the proportion equation
97,749.38 : 134,824.48 = 89,708.99 : x - Step 2: Convert to fraction form
97,749.38/134,824.48 = 89,708.99/x - Step 3: Cross multiply
97,749.38x = 134,824.48 × 89,708.99 - Step 4: Simplify right side
97,749.38x = 12,094,968,198.80 - Step 5: Solve for x
x = 12,094,968,198.80/97,749.38 - Step 6: Final answer
x = 123,734.48
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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.