Finding the Fourth Proportional to 98,479.54, 135,899.91 and 60,236.28
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Solution
The fourth proportional to 98,479.54, 135,899.91 and 60,236.28 is: 83,124.92
Step by Step Solution
- Step 1: Write the proportion equation
98,479.54 : 135,899.91 = 60,236.28 : x - Step 2: Convert to fraction form
98,479.54/135,899.91 = 60,236.28/x - Step 3: Cross multiply
98,479.54x = 135,899.91 × 60,236.28 - Step 4: Simplify right side
98,479.54x = 8,186,104,351.24 - Step 5: Solve for x
x = 8,186,104,351.24/98,479.54 - Step 6: Final answer
x = 83,124.92
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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.