Finding the Fourth Proportional to 98,260.32, 135,599.36 and 53,548.32
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Solution
The fourth proportional to 98,260.32, 135,599.36 and 53,548.32 is: 73,896.75
Step by Step Solution
- Step 1: Write the proportion equation
98,260.32 : 135,599.36 = 53,548.32 : x - Step 2: Convert to fraction form
98,260.32/135,599.36 = 53,548.32/x - Step 3: Cross multiply
98,260.32x = 135,599.36 × 53,548.32 - Step 4: Simplify right side
98,260.32x = 7,261,117,921.08 - Step 5: Solve for x
x = 7,261,117,921.08/98,260.32 - Step 6: Final answer
x = 73,896.75
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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.