Finding the Fourth Proportional to 98,818.58, 136,369.01 and 53,496.23
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Solution
The fourth proportional to 98,818.58, 136,369.01 and 53,496.23 is: 73,824.46
Step by Step Solution
- Step 1: Write the proportion equation
98,818.58 : 136,369.01 = 53,496.23 : x - Step 2: Convert to fraction form
98,818.58/136,369.01 = 53,496.23/x - Step 3: Cross multiply
98,818.58x = 136,369.01 × 53,496.23 - Step 4: Simplify right side
98,818.58x = 7,295,228,218.03 - Step 5: Solve for x
x = 7,295,228,218.03/98,818.58 - Step 6: Final answer
x = 73,824.46
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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.